3920475 has 24 divisors (see below), whose sum is σ = 6982192. Its totient is φ = 1929600.

The previous prime is 3920471. The next prime is 3920509. The reversal of 3920475 is 5740293.

It is not a de Polignac number, because 3920475 - 2² = 3920471 is a prime.

It is a Duffinian number.

3920475 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920471) 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, 1036 + ... + 2985.

Almost surely, 2^3920475 is an apocalyptic number.

3920475 is a deficient number, since it is larger than the sum of its proper divisors (3061717).

3920475 is a wasteful number, since it uses less digits than its factorization.

3920475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047 (or 4042 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 3920475 is about 1980.0189393034. The cubic root of 3920475 is about 157.6810716685.

The spelling of 3920475 in words is "three million, nine hundred twenty thousand, four hundred seventy-five".