398430034893 has 32 divisors (see below), whose sum is σ = 643963152000. Its totient is φ = 241459315200.

The previous prime is 398430034861. The next prime is 398430034949.

398430034893 is a `hidden beast` number, since 3 + 98 + 430 + 0 + 34 + 8 + 93 = 666.

398430034893 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 398430034893 - 2⁵ = 398430034861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398430034823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8941533 + ... + 8985981.

It is an arithmetic number, because the mean of its divisors is an integer number (20123848500).

Almost surely, 2^398430034893 is an apocalyptic number.

398430034893 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

398430034893 is a deficient number, since it is larger than the sum of its proper divisors (245533117107).

398430034893 is a wasteful number, since it uses less digits than its factorization.

398430034893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74650 (or 74644 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 398430034893 in words is "three hundred ninety-eight billion, four hundred thirty million, thirty-four thousand, eight hundred ninety-three".