38940550 has 48 divisors (see below), whose sum is σ = 79910064. Its totient is φ = 14000000.

The previous prime is 38940547. The next prime is 38940563. The reversal of 38940550 is 5504983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55200 + ... + 55900.

It is an arithmetic number, because the mean of its divisors is an integer number (1664793).

Almost surely, 2^38940550 is an apocalyptic number.

38940550 is an abundant number, since it is smaller than the sum of its proper divisors (40969514).

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

38940550 is a wasteful number, since it uses less digits than its factorization.

38940550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 38940550 is about 6240.2363737282. The cubic root of 38940550 is about 338.9487425511.

The spelling of 38940550 in words is "thirty-eight million, nine hundred forty thousand, five hundred fifty".