38899884 has 12 divisors (see below), whose sum is σ = 90766424. Its totient is φ = 12966624.

The previous prime is 38899873. The next prime is 38899891. The reversal of 38899884 is 48899883.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1620817 + ... + 1620840.

Almost surely, 2^38899884 is an apocalyptic number.

It is an amenable number.

38899884 is an abundant number, since it is smaller than the sum of its proper divisors (51866540).

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

38899884 is a wasteful number, since it uses less digits than its factorization.

38899884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241664 (or 3241662 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 57.

The square root of 38899884 is about 6236.9771524353. The cubic root of 38899884 is about 338.8307122845.

Subtracting 38899884 from its reverse (48899883), we obtain a palindrome (9999999).

The spelling of 38899884 in words is "thirty-eight million, eight hundred ninety-nine thousand, eight hundred eighty-four".