3904169890 has 16 divisors (see below), whose sum is σ = 7028592120. Its totient is φ = 1561426560.

The previous prime is 3904169869. The next prime is 3904169917. The reversal of 3904169890 is 989614093.

It can be written as a sum of positive squares in 4 ways, for example, as 3825546201 + 78623689 = 61851^2 + 8867^2 .

It is a super-2 number, since 2×3904169890² = 30485085059965224200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47200 + ... + 100180.

Almost surely, 2^3904169890 is an apocalyptic number.

3904169890 is a deficient number, since it is larger than the sum of its proper divisors (3124422230).

3904169890 is a wasteful number, since it uses less digits than its factorization.

3904169890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60357.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 3904169890 is about 62483.3569040589. The cubic root of 3904169890 is about 1574.6217134665.

The spelling of 3904169890 in words is "three billion, nine hundred four million, one hundred sixty-nine thousand, eight hundred ninety".