3905475 has 48 divisors (see below), whose sum is σ = 7594752. Its totient is φ = 1733760.

The previous prime is 3905471. The next prime is 3905477. The reversal of 3905475 is 5745093.

It is not a de Polignac number, because 3905475 - 2² = 3905471 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

3905475 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3905471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22489 + ... + 22661.

It is an arithmetic number, because the mean of its divisors is an integer number (158224).

Almost surely, 2^3905475 is an apocalyptic number.

3905475 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3905475 is a deficient number, since it is larger than the sum of its proper divisors (3689277).

3905475 is a wasteful number, since it uses less digits than its factorization.

3905475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 3905475 is about 1976.2274666647. The cubic root of 3905475 is about 157.4797152006.

The spelling of 3905475 in words is "three million, nine hundred five thousand, four hundred seventy-five".