3920539 has 24 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 3104640.

The previous prime is 3920513. The next prime is 3920551. The reversal of 3920539 is 9350293.

It is not a de Polignac number, because 3920539 - 2¹¹ = 3918491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

3920539 is a modest number, since divided by 539 gives 392 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 3920539.

It is not an unprimeable number, because it can be changed into a prime (3920509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44007 + ... + 44095.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

Almost surely, 2^3920539 is an apocalyptic number.

3920539 is a deficient number, since it is larger than the sum of its proper divisors (1004261).

3920539 is a wasteful number, since it uses less digits than its factorization.

3920539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 3920539 is about 1980.0351006990. The cubic root of 3920539 is about 157.6819296881.

The spelling of 3920539 in words is "three million, nine hundred twenty thousand, five hundred thirty-nine".