397351 has 2 divisors, whose sum is σ = 397352. Its totient is φ = 397350.

The previous prime is 397337. The next prime is 397357. The reversal of 397351 is 153793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397351 - 2⁷ = 397223 is a prime.

397351 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198675 + 198676.

It is an arithmetic number, because the mean of its divisors is an integer number (198676).

2³⁹⁷³⁵¹ is an apocalyptic number.

397351 is a deficient number, since it is larger than the sum of its proper divisors (1).

397351 is an equidigital number, since it uses as much as digits as its factorization.

397351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2835, while the sum is 28.

The square root of 397351 is about 630.3578348843. The cubic root of 397351 is about 73.5176196054.

The spelling of 397351 in words is "three hundred ninety-seven thousand, three hundred fifty-one".