38999944 has 32 divisors (see below), whose sum is σ = 75816000. Its totient is φ = 18795712.

The previous prime is 38999911. The next prime is 38999959. The reversal of 38999944 is 44999983.

38999944 = T₁₄₇ + T₁₄₈ + ... + T₆₁₈.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24237 + ... + 25795.

It is an arithmetic number, because the mean of its divisors is an integer number (2369250).

Almost surely, 2^38999944 is an apocalyptic number.

It is an amenable number.

38999944 is a deficient number, since it is larger than the sum of its proper divisors (36816056).

38999944 is a wasteful number, since it uses less digits than its factorization.

38999944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 1673 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 55.

The square root of 38999944 is about 6244.9935148085. The cubic root of 38999944 is about 339.1209819869.

The spelling of 38999944 in words is "thirty-eight million, nine hundred ninety-nine thousand, nine hundred forty-four".