3989458790 has 48 divisors (see below), whose sum is σ = 7524268416. Its totient is φ = 1522857600.

The previous prime is 3989458763. The next prime is 3989458817. The reversal of 3989458790 is 978549893.

It is an interprime number because it is at equal distance from previous prime (3989458763) and next prime (3989458817).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4025195 + ... + 4026185.

It is an arithmetic number, because the mean of its divisors is an integer number (156755592).

Almost surely, 2^3989458790 is an apocalyptic number.

3989458790 is a deficient number, since it is larger than the sum of its proper divisors (3534809626).

3989458790 is a wasteful number, since it uses less digits than its factorization.

3989458790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805 (or 1782 counting only the distinct ones).

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

The square root of 3989458790 is about 63162.1626450520. The cubic root of 3989458790 is about 1586.0053979388.

The spelling of 3989458790 in words is "three billion, nine hundred eighty-nine million, four hundred fifty-eight thousand, seven hundred ninety".