406430982 has 12 divisors (see below), whose sum is σ = 880600500. Its totient is φ = 135476988.

The previous prime is 406430963. The next prime is 406430989. The reversal of 406430982 is 289034604.

It is a happy number.

406430982 is a `hidden beast` number, since 4 + 0 + 643 + 0 + 9 + 8 + 2 = 666.

It is a super-2 number, since 2×406430982² = 330372286258968648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406430989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11289732 + ... + 11289767.

It is an arithmetic number, because the mean of its divisors is an integer number (73383375).

Almost surely, 2^406430982 is an apocalyptic number.

406430982 is an abundant number, since it is smaller than the sum of its proper divisors (474169518).

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

406430982 is a wasteful number, since it uses less digits than its factorization.

406430982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22579507 (or 22579504 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 406430982 is about 20160.1334817010. The cubic root of 406430982 is about 740.7339819972.

The spelling of 406430982 in words is "four hundred six million, four hundred thirty thousand, nine hundred eighty-two".