368397857 has 2 divisors, whose sum is σ = 368397858. Its totient is φ = 368397856.

The previous prime is 368397853. The next prime is 368397941. The reversal of 368397857 is 758793863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234671761 + 133726096 = 15319^2 + 11564^2 .

It is a cyclic number.

It is not a de Polignac number, because 368397857 - 2² = 368397853 is a prime.

It is not a weakly prime, because it can be changed into another prime (368397853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184198928 + 184198929.

It is an arithmetic number, because the mean of its divisors is an integer number (184198929).

Almost surely, 2^368397857 is an apocalyptic number.

It is an amenable number.

368397857 is a deficient number, since it is larger than the sum of its proper divisors (1).

368397857 is an equidigital number, since it uses as much as digits as its factorization.

368397857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The square root of 368397857 is about 19193.6931568680. The cubic root of 368397857 is about 716.8677313141.

The spelling of 368397857 in words is "three hundred sixty-eight million, three hundred ninety-seven thousand, eight hundred fifty-seven".