38990750 has 32 divisors (see below), whose sum is σ = 76175424. Its totient is φ = 14916000.

The previous prime is 38990737. The next prime is 38990759. The reversal of 38990750 is 5709983.

It is a junction number, because it is equal to n+sod(n) for n = 38990698 and 38990707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38990759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360 + ... + 9140.

It is an arithmetic number, because the mean of its divisors is an integer number (2380482).

Almost surely, 2^38990750 is an apocalyptic number.

38990750 is a deficient number, since it is larger than the sum of its proper divisors (37184674).

38990750 is a wasteful number, since it uses less digits than its factorization.

38990750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821 (or 6811 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 38990750 is about 6244.2573617685. The cubic root of 38990750 is about 339.0943313218.

The spelling of 38990750 in words is "thirty-eight million, nine hundred ninety thousand, seven hundred fifty".