37996397 has 2 divisors, whose sum is σ = 37996398. Its totient is φ = 37996396.

The previous prime is 37996349. The next prime is 37996417. The reversal of 37996397 is 79369973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24790441 + 13205956 = 4979^2 + 3634^2 .

It is a cyclic number.

It is not a de Polignac number, because 37996397 - 2⁸ = 37996141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37996337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18998198 + 18998199.

It is an arithmetic number, because the mean of its divisors is an integer number (18998199).

Almost surely, 2^37996397 is an apocalyptic number.

It is an amenable number.

37996397 is a deficient number, since it is larger than the sum of its proper divisors (1).

37996397 is an equidigital number, since it uses as much as digits as its factorization.

37996397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1928934, while the sum is 53.

The square root of 37996397 is about 6164.1217541512. The cubic root of 37996397 is about 336.1869147323.

The spelling of 37996397 in words is "thirty-seven million, nine hundred ninety-six thousand, three hundred ninety-seven".