401983700 has 36 divisors (see below), whose sum is σ = 923620572. Its totient is φ = 151334400.

The previous prime is 401983693. The next prime is 401983711. The reversal of 401983700 is 7389104.

It can be written as a sum of positive squares in 6 ways, for example, as 20484676 + 381499024 = 4526^2 + 19532^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 116531 + ... + 119930.

It is an arithmetic number, because the mean of its divisors is an integer number (25656127).

Almost surely, 2^401983700 is an apocalyptic number.

It is an amenable number.

401983700 is an abundant number, since it is smaller than the sum of its proper divisors (521636872).

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

401983700 is a wasteful number, since it uses less digits than its factorization.

401983700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236492 (or 236485 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 401983700 is about 20049.5311665884. The cubic root of 401983700 is about 738.0222940120.

The spelling of 401983700 in words is "four hundred one million, nine hundred eighty-three thousand, seven hundred".