474454981 has 16 divisors (see below), whose sum is σ = 637031808. Its totient is φ = 341265600.

The previous prime is 474454973. The next prime is 474454999. The reversal of 474454981 is 189454474.

It is not a de Polignac number, because 474454981 - 2³ = 474454973 is a prime.

It is a super-2 number, since 2×474454981² = 450215057991420722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474454951) 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, 235990 + ... + 237991.

It is an arithmetic number, because the mean of its divisors is an integer number (39814488).

Almost surely, 2^474454981 is an apocalyptic number.

It is an amenable number.

474454981 is a deficient number, since it is larger than the sum of its proper divisors (162576827).

474454981 is a wasteful number, since it uses less digits than its factorization.

474454981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474012.

The product of its digits is 645120, while the sum is 46.

The square root of 474454981 is about 21781.9875355763. The cubic root of 474454981 is about 779.9468411065.

The spelling of 474454981 in words is "four hundred seventy-four million, four hundred fifty-four thousand, nine hundred eighty-one".