398367356906 has 8 divisors (see below), whose sum is σ = 598438928964. Its totient is φ = 198887713920.

The previous prime is 398367356897. The next prime is 398367356911. The reversal of 398367356906 is 609653763893.

It can be written as a sum of positive squares in 2 ways, for example, as 342975380881 + 55391976025 = 585641^2 + 235355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147980585 + ... + 147983276.

Almost surely, 2^398367356906 is an apocalyptic number.

398367356906 is a deficient number, since it is larger than the sum of its proper divisors (200071572058).

398367356906 is a wasteful number, since it uses less digits than its factorization.

398367356906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295964536.

The product of its (nonzero) digits is 132269760, while the sum is 65.

The spelling of 398367356906 in words is "three hundred ninety-eight billion, three hundred sixty-seven million, three hundred fifty-six thousand, nine hundred six".