456121398 has 8 divisors (see below), whose sum is σ = 912242808. Its totient is φ = 152040464.

The previous prime is 456121397. The next prime is 456121399. The reversal of 456121398 is 893121654.

It is an interprime number because it is at equal distance from previous prime (456121397) and next prime (456121399).

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

456121398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456121397) 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, 38010111 + ... + 38010122.

It is an arithmetic number, because the mean of its divisors is an integer number (114030351).

Almost surely, 2^456121398 is an apocalyptic number.

456121398 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.

456121398 is a wasteful number, since it uses less digits than its factorization.

456121398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76020238.

The product of its digits is 51840, while the sum is 39.

The square root of 456121398 is about 21356.9988060120. The cubic root of 456121398 is about 769.7685243382.

The spelling of 456121398 in words is "four hundred fifty-six million, one hundred twenty-one thousand, three hundred ninety-eight".