474439681 has 16 divisors (see below), whose sum is σ = 496800000. Its totient is φ = 452523456.

The previous prime is 474439673. The next prime is 474439697. The reversal of 474439681 is 186934474.

It is a cyclic number.

It is not a de Polignac number, because 474439681 - 2³ = 474439673 is a prime.

It is a super-2 number, since 2×474439681² = 450186021814763522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474439661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321380 + ... + 1321738.

It is an arithmetic number, because the mean of its divisors is an integer number (31050000).

Almost surely, 2^474439681 is an apocalyptic number.

It is an amenable number.

474439681 is a deficient number, since it is larger than the sum of its proper divisors (22360319).

474439681 is a wasteful number, since it uses less digits than its factorization.

474439681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its digits is 580608, while the sum is 46.

The square root of 474439681 is about 21781.6363251249. The cubic root of 474439681 is about 779.9384572307.

The spelling of 474439681 in words is "four hundred seventy-four million, four hundred thirty-nine thousand, six hundred eighty-one".