474682981 has 4 divisors (see below), whose sum is σ = 474726700. Its totient is φ = 474639264.

The previous prime is 474682961. The next prime is 474682997. The reversal of 474682981 is 189286474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 28037025 + 446645956 = 5295^2 + 21134^2 .

It is a cyclic number.

It is not a de Polignac number, because 474682981 - 2⁷ = 474682853 is a prime.

It is a super-2 number, since 2×474682981² = 450647864902092722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474682961) 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, 8275 + ... + 31903.

It is an arithmetic number, because the mean of its divisors is an integer number (118681675).

Almost surely, 2^474682981 is an apocalyptic number.

It is an amenable number.

474682981 is a deficient number, since it is larger than the sum of its proper divisors (43719).

474682981 is a wasteful number, since it uses less digits than its factorization.

474682981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43718.

The product of its digits is 774144, while the sum is 49.

The square root of 474682981 is about 21787.2205891435. The cubic root of 474682981 is about 780.0717559452.

The spelling of 474682981 in words is "four hundred seventy-four million, six hundred eighty-two thousand, nine hundred eighty-one".