3975988490 has 16 divisors (see below), whose sum is σ = 7226264448. Its totient is φ = 1574954256.

The previous prime is 3975988487. The next prime is 3975988517. The reversal of 3975988490 is 948895793.

It is a super-2 number, since 2×3975988490² = 31616968945224960200, 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, 1929062 + ... + 1931121.

It is an arithmetic number, because the mean of its divisors is an integer number (451641528).

Almost surely, 2^3975988490 is an apocalyptic number.

3975988490 is a deficient number, since it is larger than the sum of its proper divisors (3250275958).

3975988490 is a wasteful number, since it uses less digits than its factorization.

3975988490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860293.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The square root of 3975988490 is about 63055.4398129138. The cubic root of 3975988490 is about 1584.2183503051.

The spelling of 3975988490 in words is "three billion, nine hundred seventy-five million, nine hundred eighty-eight thousand, four hundred ninety".