37986413 has 2 divisors, whose sum is σ = 37986414. Its totient is φ = 37986412.

The previous prime is 37986397. The next prime is 37986451. The reversal of 37986413 is 31468973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37982569 + 3844 = 6163^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 37986413 - 2⁴ = 37986397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37986493) 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 as a sum of consecutive naturals, namely, 18993206 + 18993207.

It is an arithmetic number, because the mean of its divisors is an integer number (18993207).

Almost surely, 2^37986413 is an apocalyptic number.

It is an amenable number.

37986413 is a deficient number, since it is larger than the sum of its proper divisors (1).

37986413 is an equidigital number, since it uses as much as digits as its factorization.

37986413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 37986413 is about 6163.3118532166. The cubic root of 37986413 is about 336.1574664648.

The spelling of 37986413 in words is "thirty-seven million, nine hundred eighty-six thousand, four hundred thirteen".