3905874 has 32 divisors (see below), whose sum is σ = 9920640. Its totient is φ = 1115856.

The previous prime is 3905861. The next prime is 3905879. The reversal of 3905874 is 4785093.

It is not an unprimeable number, because it can be changed into a prime (3905879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4789 + ... + 5544.

It is an arithmetic number, because the mean of its divisors is an integer number (310020).

Almost surely, 2^3905874 is an apocalyptic number.

3905874 is an abundant number, since it is smaller than the sum of its proper divisors (6014766).

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

3905874 is a wasteful number, since it uses less digits than its factorization.

3905874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351 (or 10345 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3905874 is about 1976.3284140041. The cubic root of 3905874 is about 157.4850779514.

The spelling of 3905874 in words is "three million, nine hundred five thousand, eight hundred seventy-four".