397361 has 2 divisors, whose sum is σ = 397362. Its totient is φ = 397360.

The previous prime is 397357. The next prime is 397373. The reversal of 397361 is 163793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 185761 = 460^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 397361 - 2² = 397357 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (397301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198680 + 198681.

It is an arithmetic number, because the mean of its divisors is an integer number (198681).

2³⁹⁷³⁶¹ is an apocalyptic number.

It is an amenable number.

397361 is a deficient number, since it is larger than the sum of its proper divisors (1).

397361 is an equidigital number, since it uses as much as digits as its factorization.

397361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 29.

The square root of 397361 is about 630.3657668370. The cubic root of 397361 is about 73.5182363314.

The spelling of 397361 in words is "three hundred ninety-seven thousand, three hundred sixty-one".