3899493138 has 16 divisors (see below), whose sum is σ = 7800208416. Its totient is φ = 1299627360.

The previous prime is 3899493107. The next prime is 3899493181. The reversal of 3899493138 is 8313949983.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6456 + ... + 88547.

It is an arithmetic number, because the mean of its divisors is an integer number (487513026).

Almost surely, 2^3899493138 is an apocalyptic number.

3899493138 is an abundant number, since it is smaller than the sum of its proper divisors (3900715278).

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

3899493138 is a wasteful number, since it uses less digits than its factorization.

3899493138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101849.

The product of its digits is 5038848, while the sum is 57.

The square root of 3899493138 is about 62445.9217083069. The cubic root of 3899493138 is about 1573.9927229366.

The spelling of 3899493138 in words is "three billion, eight hundred ninety-nine million, four hundred ninety-three thousand, one hundred thirty-eight".