397412339 has 2 divisors, whose sum is σ = 397412340. Its totient is φ = 397412338.

The previous prime is 397412333. The next prime is 397412371. The reversal of 397412339 is 933214793.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397412339 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 397412296 and 397412305.

It is not a weakly prime, because it can be changed into another prime (397412333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198706169 + 198706170.

It is an arithmetic number, because the mean of its divisors is an integer number (198706170).

Almost surely, 2^397412339 is an apocalyptic number.

397412339 is a deficient number, since it is larger than the sum of its proper divisors (1).

397412339 is an equidigital number, since it uses as much as digits as its factorization.

397412339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 41.

The square root of 397412339 is about 19935.2035103733. The cubic root of 397412339 is about 735.2140237787.

The spelling of 397412339 in words is "three hundred ninety-seven million, four hundred twelve thousand, three hundred thirty-nine".