396787373 has 2 divisors, whose sum is σ = 396787374. Its totient is φ = 396787372.

The previous prime is 396787357. The next prime is 396787379. The reversal of 396787373 is 373787693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260435044 + 136352329 = 16138^2 + 11677^2 .

It is a cyclic number.

It is not a de Polignac number, because 396787373 - 2⁴ = 396787357 is a prime.

It is a super-2 number, since 2×396787373² = 314880438744482258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396787379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198393686 + 198393687.

It is an arithmetic number, because the mean of its divisors is an integer number (198393687).

Almost surely, 2^396787373 is an apocalyptic number.

It is an amenable number.

396787373 is a deficient number, since it is larger than the sum of its proper divisors (1).

396787373 is an equidigital number, since it uses as much as digits as its factorization.

396787373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752, while the sum is 53.

The square root of 396787373 is about 19919.5224089334. The cubic root of 396787373 is about 734.8284252515.

The spelling of 396787373 in words is "three hundred ninety-six million, seven hundred eighty-seven thousand, three hundred seventy-three".