401316982 has 16 divisors (see below), whose sum is σ = 662841792. Its totient is φ = 180710920.

The previous prime is 401316967. The next prime is 401316983. The reversal of 401316982 is 289613104.

It is a super-2 number, since 2×401316982² = 322110640083176648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401316983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82888 + ... + 87595.

It is an arithmetic number, because the mean of its divisors is an integer number (41427612).

Almost surely, 2^401316982 is an apocalyptic number.

401316982 is a deficient number, since it is larger than the sum of its proper divisors (261524810).

401316982 is a wasteful number, since it uses less digits than its factorization.

401316982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170603.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 401316982 is about 20032.8974938724. The cubic root of 401316982 is about 737.6140477461.

The spelling of 401316982 in words is "four hundred one million, three hundred sixteen thousand, nine hundred eighty-two".