3899475 has 48 divisors (see below), whose sum is σ = 7365600. Its totient is φ = 2021760.

The previous prime is 3899471. The next prime is 3899507. The reversal of 3899475 is 5749983.

It is not a de Polignac number, because 3899475 - 2² = 3899471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3899475.

It is not an unprimeable number, because it can be changed into a prime (3899471) 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, 35721 + ... + 35829.

It is an arithmetic number, because the mean of its divisors is an integer number (153450).

Almost surely, 2^3899475 is an apocalyptic number.

3899475 is a deficient number, since it is larger than the sum of its proper divisors (3466125).

3899475 is a wasteful number, since it uses less digits than its factorization.

3899475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 170 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3899475 is about 1974.7088392976. The cubic root of 3899475 is about 157.3990282523.

The spelling of 3899475 in words is "three million, eight hundred ninety-nine thousand, four hundred seventy-five".