397941107 has 2 divisors, whose sum is σ = 397941108. Its totient is φ = 397941106.

The previous prime is 397941077. The next prime is 397941197. The reversal of 397941107 is 701149793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397941107 - 2⁶ = 397941043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (397941197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198970553 + 198970554.

It is an arithmetic number, because the mean of its divisors is an integer number (198970554).

Almost surely, 2^397941107 is an apocalyptic number.

397941107 is a deficient number, since it is larger than the sum of its proper divisors (1).

397941107 is an equidigital number, since it uses as much as digits as its factorization.

397941107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 397941107 is about 19948.4612689801. The cubic root of 397941107 is about 735.5399533994.

The spelling of 397941107 in words is "three hundred ninety-seven million, nine hundred forty-one thousand, one hundred seven".