396972599 has 2 divisors, whose sum is σ = 396972600. Its totient is φ = 396972598.

The previous prime is 396972581. The next prime is 396972601. The reversal of 396972599 is 995279693.

It is a strong prime.

It is an emirp because it is prime and its reverse (995279693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396972599 - 2⁸ = 396972343 is a prime.

Together with 396972601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396972539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198486299 + 198486300.

It is an arithmetic number, because the mean of its divisors is an integer number (198486300).

Almost surely, 2^396972599 is an apocalyptic number.

396972599 is a deficient number, since it is larger than the sum of its proper divisors (1).

396972599 is an equidigital number, since it uses as much as digits as its factorization.

396972599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8266860, while the sum is 59.

The square root of 396972599 is about 19924.1712249218. The cubic root of 396972599 is about 734.9427502573.

The spelling of 396972599 in words is "three hundred ninety-six million, nine hundred seventy-two thousand, five hundred ninety-nine".