3899139228 has 24 divisors (see below), whose sum is σ = 10108879760. Its totient is φ = 1299713040.

The previous prime is 3899139203. The next prime is 3899139253. The reversal of 3899139228 is 8229319983.

3899139228 is a `hidden beast` number, since 389 + 9 + 1 + 39 + 228 = 666.

It is an interprime number because it is at equal distance from previous prime (3899139203) and next prime (3899139253).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18051463 + ... + 18051678.

Almost surely, 2^3899139228 is an apocalyptic number.

It is an amenable number.

3899139228 is an abundant number, since it is smaller than the sum of its proper divisors (6209740532).

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

3899139228 is a wasteful number, since it uses less digits than its factorization.

3899139228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36103154 (or 36103146 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 3899139228 is about 62443.0879121140. The cubic root of 3899139228 is about 1573.9451040454.

The spelling of 3899139228 in words is "three billion, eight hundred ninety-nine million, one hundred thirty-nine thousand, two hundred twenty-eight".