400982498 has 16 divisors (see below), whose sum is σ = 723577920. Its totient is φ = 162804816.

The previous prime is 400982497. The next prime is 400982509. The reversal of 400982498 is 894289004.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400982497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753461 + ... + 753992.

It is an arithmetic number, because the mean of its divisors is an integer number (45223620).

Almost surely, 2^400982498 is an apocalyptic number.

400982498 is a deficient number, since it is larger than the sum of its proper divisors (322595422).

400982498 is a wasteful number, since it uses less digits than its factorization.

400982498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507481.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 400982498 is about 20024.5473856464. The cubic root of 400982498 is about 737.4090654136.

The spelling of 400982498 in words is "four hundred million, nine hundred eighty-two thousand, four hundred ninety-eight".