451674894 has 16 divisors (see below), whose sum is σ = 985472640. Its totient is φ = 136871160.

The previous prime is 451674869. The next prime is 451674917. The reversal of 451674894 is 498476154.

It is a super-2 number, since 2×451674894² = 408020419739822472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3421714 + ... + 3421845.

It is an arithmetic number, because the mean of its divisors is an integer number (61592040).

Almost surely, 2^451674894 is an apocalyptic number.

451674894 is an abundant number, since it is smaller than the sum of its proper divisors (533797746).

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

451674894 is a wasteful number, since it uses less digits than its factorization.

451674894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843575.

The product of its digits is 967680, while the sum is 48.

The square root of 451674894 is about 21252.6444001682. The cubic root of 451674894 is about 767.2589864536.

The spelling of 451674894 in words is "four hundred fifty-one million, six hundred seventy-four thousand, eight hundred ninety-four".