38999244 has 24 divisors (see below), whose sum is σ = 91119168. Its totient is φ = 12982480.

The previous prime is 38999239. The next prime is 38999249. The reversal of 38999244 is 44299983.

It is an interprime number because it is at equal distance from previous prime (38999239) and next prime (38999249).

It is a junction number, because it is equal to n+sod(n) for n = 38999193 and 38999202.

It is not an unprimeable number, because it can be changed into a prime (38999249) by changing a digit.

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, 9979 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (3796632).

Almost surely, 2^38999244 is an apocalyptic number.

It is an amenable number.

38999244 is an abundant number, since it is smaller than the sum of its proper divisors (52119924).

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

38999244 is a wasteful number, since it uses less digits than its factorization.

38999244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325 (or 4323 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 38999244 is about 6244.9374696629. The cubic root of 38999244 is about 339.1189530429.

The spelling of 38999244 in words is "thirty-eight million, nine hundred ninety-nine thousand, two hundred forty-four".