38990737 has 2 divisors, whose sum is σ = 38990738. Its totient is φ = 38990736.

The previous prime is 38990729. The next prime is 38990759. The reversal of 38990737 is 73709983.

38990737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38887696 + 103041 = 6236^2 + 321^2 .

It is a cyclic number.

It is not a de Polignac number, because 38990737 - 2³ = 38990729 is a prime.

It is not a weakly prime, because it can be changed into another prime (38990137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19495368 + 19495369.

It is an arithmetic number, because the mean of its divisors is an integer number (19495369).

Almost surely, 2^38990737 is an apocalyptic number.

It is an amenable number.

38990737 is a deficient number, since it is larger than the sum of its proper divisors (1).

38990737 is an equidigital number, since it uses as much as digits as its factorization.

38990737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 38990737 is about 6244.2563208120. The cubic root of 38990737 is about 339.0942936357.

The spelling of 38990737 in words is "thirty-eight million, nine hundred ninety thousand, seven hundred thirty-seven".