397059269 has 2 divisors, whose sum is σ = 397059270. Its totient is φ = 397059268.

The previous prime is 397059263. The next prime is 397059307. The reversal of 397059269 is 962950793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365001025 + 32058244 = 19105^2 + 5662^2 .

It is a cyclic number.

It is not a de Polignac number, because 397059269 - 2¹² = 397055173 is a prime.

It is a super-2 number, since 2×397059269² = 315312126197628722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397059263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198529634 + 198529635.

It is an arithmetic number, because the mean of its divisors is an integer number (198529635).

Almost surely, 2^397059269 is an apocalyptic number.

It is an amenable number.

397059269 is a deficient number, since it is larger than the sum of its proper divisors (1).

397059269 is an equidigital number, since it uses as much as digits as its factorization.

397059269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 397059269 is about 19926.3461025849. The cubic root of 397059269 is about 734.9962324147.

The spelling of 397059269 in words is "three hundred ninety-seven million, fifty-nine thousand, two hundred sixty-nine".