398883389074 has 8 divisors (see below), whose sum is σ = 598826617020. Its totient is φ = 199274516736.

The previous prime is 398883389029. The next prime is 398883389111. The reversal of 398883389074 is 470983388893.

It can be written as a sum of positive squares in 2 ways, for example, as 396261437049 + 2621952025 = 629493^2 + 51205^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 398883388994 and 398883389012.

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, 83585919 + ... + 83590690.

Almost surely, 2^398883389074 is an apocalyptic number.

398883389074 is a deficient number, since it is larger than the sum of its proper divisors (199943227946).

398883389074 is a wasteful number, since it uses less digits than its factorization.

398883389074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167177804.

The product of its (nonzero) digits is 250822656, while the sum is 70.

The spelling of 398883389074 in words is "three hundred ninety-eight billion, eight hundred eighty-three million, three hundred eighty-nine thousand, seventy-four".