3820424 has 8 divisors (see below), whose sum is σ = 7163310. Its totient is φ = 1910208.

The previous prime is 3820423. The next prime is 3820429. The reversal of 3820424 is 4240283.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 964324 = 1690^2 + 982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3820424.

It is not an unprimeable number, because it can be changed into a prime (3820423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238769 + ... + 238784.

Almost surely, 2^3820424 is an apocalyptic number.

It is an amenable number.

3820424 is a deficient number, since it is larger than the sum of its proper divisors (3342886).

3820424 is a wasteful number, since it uses less digits than its factorization.

3820424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477559 (or 477555 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3820424 is about 1954.5904941957. The cubic root of 3820424 is about 156.3281499194.

The spelling of 3820424 in words is "three million, eight hundred twenty thousand, four hundred twenty-four".