3990279134 has 32 divisors (see below), whose sum is σ = 6598099296. Its totient is φ = 1801958400.

The previous prime is 3990279113. The next prime is 3990279149. The reversal of 3990279134 is 4319720993.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70109 + ... + 113559.

It is an arithmetic number, because the mean of its divisors is an integer number (206190603).

Almost surely, 2^3990279134 is an apocalyptic number.

3990279134 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3990279134 is a deficient number, since it is larger than the sum of its proper divisors (2607820162).

3990279134 is a wasteful number, since it uses less digits than its factorization.

3990279134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43580.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 3990279134 is about 63168.6562624218. The cubic root of 3990279134 is about 1586.1140994706.

The spelling of 3990279134 in words is "three billion, nine hundred ninety million, two hundred seventy-nine thousand, one hundred thirty-four".