398514894 has 8 divisors (see below), whose sum is σ = 797029800. Its totient is φ = 132838296.

The previous prime is 398514881. The next prime is 398514899. The reversal of 398514894 is 498415893.

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

398514894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398514899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33209569 + ... + 33209580.

It is an arithmetic number, because the mean of its divisors is an integer number (99628725).

Almost surely, 2^398514894 is an apocalyptic number.

398514894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398514894 is a wasteful number, since it uses less digits than its factorization.

398514894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66419154.

The product of its digits is 1244160, while the sum is 51.

The square root of 398514894 is about 19962.8378243175. The cubic root of 398514894 is about 735.8933060032.

Subtracting 398514894 from its reverse (498415893), we obtain a palindrome (99900999).

The spelling of 398514894 in words is "three hundred ninety-eight million, five hundred fourteen thousand, eight hundred ninety-four".