37389997 has 2 divisors, whose sum is σ = 37389998. Its totient is φ = 37389996.

The previous prime is 37389959. The next prime is 37390039. The reversal of 37389997 is 79998373.

37389997 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., 35390601 + 1999396 = 5949^2 + 1414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37389997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37389907) 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, 18694998 + 18694999.

It is an arithmetic number, because the mean of its divisors is an integer number (18694999).

Almost surely, 2^37389997 is an apocalyptic number.

It is an amenable number.

37389997 is a deficient number, since it is larger than the sum of its proper divisors (1).

37389997 is an equidigital number, since it uses as much as digits as its factorization.

37389997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2571912, while the sum is 55.

The square root of 37389997 is about 6114.7360531751. The cubic root of 37389997 is about 334.3888672387.

The spelling of 37389997 in words is "thirty-seven million, three hundred eighty-nine thousand, nine hundred ninety-seven".