396157 has 2 divisors, whose sum is σ = 396158. Its totient is φ = 396156.

The previous prime is 396119. The next prime is 396173. The reversal of 396157 is 751693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 383161 + 12996 = 619^2 + 114^2 .

It is a cyclic number.

It is not a de Polignac number, because 396157 - 2⁷ = 396029 is a prime.

396157 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396107) 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, 198078 + 198079.

It is an arithmetic number, because the mean of its divisors is an integer number (198079).

2³⁹⁶¹⁵⁷ is an apocalyptic number.

It is an amenable number.

396157 is a deficient number, since it is larger than the sum of its proper divisors (1).

396157 is an equidigital number, since it uses as much as digits as its factorization.

396157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 31.

The square root of 396157 is about 629.4100412291. The cubic root of 396157 is about 73.4439080269.

The spelling of 396157 in words is "three hundred ninety-six thousand, one hundred fifty-seven".