38899044 has 36 divisors (see below), whose sum is σ = 98622160. Its totient is φ = 12927600.

The previous prime is 38899031. The next prime is 38899067. The reversal of 38899044 is 44099883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×38899044² = 3026271248227872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12219 + ... + 15069.

Almost surely, 2^38899044 is an apocalyptic number.

It is an amenable number.

38899044 is an abundant number, since it is smaller than the sum of its proper divisors (59723116).

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

38899044 is a wasteful number, since it uses less digits than its factorization.

38899044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 38899044 is about 6236.9098117577. The cubic root of 38899044 is about 338.8282733753.

The spelling of 38899044 in words is "thirty-eight million, eight hundred ninety-nine thousand, forty-four".