3899436 has 12 divisors (see below), whose sum is σ = 9098712. Its totient is φ = 1299808.

The previous prime is 3899429. The next prime is 3899453. The reversal of 3899436 is 6349983.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3899436² = 30411202236192, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162465 + ... + 162488.

It is an arithmetic number, because the mean of its divisors is an integer number (758226).

Almost surely, 2^3899436 is an apocalyptic number.

It is an amenable number.

3899436 is an abundant number, since it is smaller than the sum of its proper divisors (5199276).

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

3899436 is a wasteful number, since it uses less digits than its factorization.

3899436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324960 (or 324958 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 3899436 is about 1974.6989643994. The cubic root of 3899436 is about 157.3985035165.

The spelling of 3899436 in words is "three million, eight hundred ninety-nine thousand, four hundred thirty-six".