401974803 has 12 divisors (see below), whose sum is σ = 583641240. Its totient is φ = 266593536.

The previous prime is 401974777. The next prime is 401974871. The reversal of 401974803 is 308479104.

It is a happy number.

It is not a de Polignac number, because 401974803 - 2¹⁸ = 401712659 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (401974403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 113973 + ... + 117446.

It is an arithmetic number, because the mean of its divisors is an integer number (48636770).

Almost surely, 2^401974803 is an apocalyptic number.

401974803 is a deficient number, since it is larger than the sum of its proper divisors (181666437).

401974803 is a wasteful number, since it uses less digits than its factorization.

401974803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231618 (or 231615 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 401974803 is about 20049.3092898484. The cubic root of 401974803 is about 738.0168491537.

The spelling of 401974803 in words is "four hundred one million, nine hundred seventy-four thousand, eight hundred three".