396099637 has 2 divisors, whose sum is σ = 396099638. Its totient is φ = 396099636.

The previous prime is 396099619. The next prime is 396099653. The reversal of 396099637 is 736990693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389904516 + 6195121 = 19746^2 + 2489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396099637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396099667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198049818 + 198049819.

It is an arithmetic number, because the mean of its divisors is an integer number (198049819).

Almost surely, 2^396099637 is an apocalyptic number.

It is an amenable number.

396099637 is a deficient number, since it is larger than the sum of its proper divisors (1).

396099637 is an equidigital number, since it uses as much as digits as its factorization.

396099637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1653372, while the sum is 52.

The square root of 396099637 is about 19902.2520584983. The cubic root of 396099637 is about 734.4036299615.

The spelling of 396099637 in words is "three hundred ninety-six million, ninety-nine thousand, six hundred thirty-seven".