3892420 has 24 divisors (see below), whose sum is σ = 9342144. Its totient is φ = 1334496.

The previous prime is 3892411. The next prime is 3892457. The reversal of 3892420 is 242983.

3892420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13762 + ... + 14041.

It is an arithmetic number, because the mean of its divisors is an integer number (389256).

Almost surely, 2^3892420 is an apocalyptic number.

It is an amenable number.

3892420 is an abundant number, since it is smaller than the sum of its proper divisors (5449724).

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

3892420 is a wasteful number, since it uses less digits than its factorization.

3892420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27819 (or 27817 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3892420 is about 1972.9216912995. The cubic root of 3892420 is about 157.3040479024.

It can be divided in two parts, 389 and 2420, that added together give a square (2809 = 53²).

The spelling of 3892420 in words is "three million, eight hundred ninety-two thousand, four hundred twenty".