3924020 has 12 divisors (see below), whose sum is σ = 8240484. Its totient is φ = 1569600.

The previous prime is 3924017. The next prime is 3924023. The reversal of 3924020 is 204293.

3924020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3924017) and next prime (3924023).

It can be written as a sum of positive squares in 2 ways, for example, as 2748964 + 1175056 = 1658^2 + 1084^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 196201 = 3924020 / (3 + 9 + 2 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 3923983 and 3924001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3924023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98081 + ... + 98120.

It is an arithmetic number, because the mean of its divisors is an integer number (686707).

Almost surely, 2^3924020 is an apocalyptic number.

It is an amenable number.

3924020 is an abundant number, since it is smaller than the sum of its proper divisors (4316464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3924020 is a wasteful number, since it uses less digits than its factorization.

3924020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196210 (or 196208 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3924020 is about 1980.9139304876. The cubic root of 3924020 is about 157.7285838536.

The spelling of 3924020 in words is "three million, nine hundred twenty-four thousand, twenty".