456251998 has 4 divisors (see below), whose sum is σ = 684378000. Its totient is φ = 228125998.

The previous prime is 456251981. The next prime is 456252011. The reversal of 456251998 is 899152654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 899152654 = 2 ⋅449576327.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 114062998 + ... + 114063001.

It is an arithmetic number, because the mean of its divisors is an integer number (171094500).

Almost surely, 2^456251998 is an apocalyptic number.

456251998 is a deficient number, since it is larger than the sum of its proper divisors (228126002).

456251998 is a wasteful number, since it uses less digits than its factorization.

456251998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228126001.

The product of its digits is 777600, while the sum is 49.

The square root of 456251998 is about 21360.0561328850. The cubic root of 456251998 is about 769.8419859036.

The spelling of 456251998 in words is "four hundred fifty-six million, two hundred fifty-one thousand, nine hundred ninety-eight".