3990859134 has 16 divisors (see below), whose sum is σ = 7983199488. Its totient is φ = 1330039512.

The previous prime is 3990859133. The next prime is 3990859139. The reversal of 3990859134 is 4319580993.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990859133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25012 + ... + 92775.

It is an arithmetic number, because the mean of its divisors is an integer number (498949968).

Almost surely, 2^3990859134 is an apocalyptic number.

3990859134 is an abundant number, since it is smaller than the sum of its proper divisors (3992340354).

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

3990859134 is a wasteful number, since it uses less digits than its factorization.

3990859134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123439.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 3990859134 is about 63173.2469800310. The cubic root of 3990859134 is about 1586.1909446885.

It can be divided in two parts, 3990859 and 134, that added together give a palindrome (3990993).

The spelling of 3990859134 in words is "three billion, nine hundred ninety million, eight hundred fifty-nine thousand, one hundred thirty-four".