474093981 has 12 divisors (see below), whose sum is σ = 685119708. Its totient is φ = 315916224.

The previous prime is 474093979. The next prime is 474094003. The reversal of 474093981 is 189390474.

474093981 is a `hidden beast` number, since 474 + 0 + 93 + 98 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135349956 + 338744025 = 11634^2 + 18405^2 .

It is not a de Polignac number, because 474093981 - 2¹ = 474093979 is a prime.

It is a super-2 number, since 2×474093981² = 449530205640856722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474093911) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10531 + ... + 32543.

It is an arithmetic number, because the mean of its divisors is an integer number (57093309).

Almost surely, 2^474093981 is an apocalyptic number.

It is an amenable number.

474093981 is a deficient number, since it is larger than the sum of its proper divisors (211025727).

474093981 is a wasteful number, since it uses less digits than its factorization.

474093981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24412 (or 24409 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 474093981 is about 21773.6992952507. The cubic root of 474093981 is about 779.7489774090.

The spelling of 474093981 in words is "four hundred seventy-four million, ninety-three thousand, nine hundred eighty-one".