398296615907 has 2 divisors, whose sum is σ = 398296615908. Its totient is φ = 398296615906.

The previous prime is 398296615879. The next prime is 398296615921. The reversal of 398296615907 is 709516692893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 398296615907 - 2¹⁴ = 398296599523 is a prime.

It is not a weakly prime, because it can be changed into another prime (398296615967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199148307953 + 199148307954.

It is an arithmetic number, because the mean of its divisors is an integer number (199148307954).

Almost surely, 2^398296615907 is an apocalyptic number.

398296615907 is a deficient number, since it is larger than the sum of its proper divisors (1).

398296615907 is an equidigital number, since it uses as much as digits as its factorization.

398296615907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44089920, while the sum is 65.

The spelling of 398296615907 in words is "three hundred ninety-eight billion, two hundred ninety-six million, six hundred fifteen thousand, nine hundred seven".