398000893 has 4 divisors (see below), whose sum is σ = 398194048. Its totient is φ = 397807740.

The previous prime is 398000881. The next prime is 398000963.

398000893 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 398000893 - 2⁹ = 398000381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398000693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93453 + ... + 97618.

It is an arithmetic number, because the mean of its divisors is an integer number (99548512).

Almost surely, 2^398000893 is an apocalyptic number.

It is an amenable number.

398000893 is a deficient number, since it is larger than the sum of its proper divisors (193155).

398000893 is a wasteful number, since it uses less digits than its factorization.

398000893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193154.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 398000893 is about 19949.9597242701. The cubic root of 398000893 is about 735.5767869817.

It can be divided in two parts, 398000 and 893, that added together give a palindrome (398893).

The spelling of 398000893 in words is "three hundred ninety-eight million, eight hundred ninety-three", and thus it is an aban number.