401298986 has 32 divisors (see below), whose sum is σ = 693964800. Its totient is φ = 172252080.

The previous prime is 401298973. The next prime is 401299007. The reversal of 401298986 is 689892104.

It is a super-2 number, since 2×401298986² = 322081752329256392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401298986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34955 + ... + 44993.

It is an arithmetic number, because the mean of its divisors is an integer number (21686400).

Almost surely, 2^401298986 is an apocalyptic number.

401298986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

401298986 is a deficient number, since it is larger than the sum of its proper divisors (292665814).

401298986 is a wasteful number, since it uses less digits than its factorization.

401298986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10154.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 401298986 is about 20032.4483276508. The cubic root of 401298986 is about 737.6030221301.

The spelling of 401298986 in words is "four hundred one million, two hundred ninety-eight thousand, nine hundred eighty-six".