401983701 has 24 divisors (see below), whose sum is σ = 627009120. Its totient is φ = 228406752.

The previous prime is 401983693. The next prime is 401983711. The reversal of 401983701 is 107389104.

It is not a de Polignac number, because 401983701 - 2³ = 401983693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401983711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18675 + ... + 33951.

It is an arithmetic number, because the mean of its divisors is an integer number (26125380).

Almost surely, 2^401983701 is an apocalyptic number.

It is an amenable number.

401983701 is a deficient number, since it is larger than the sum of its proper divisors (225025419).

401983701 is a wasteful number, since it uses less digits than its factorization.

401983701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15473 (or 15466 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 401983701 is about 20049.5311915266. The cubic root of 401983701 is about 738.0222946240.

The spelling of 401983701 in words is "four hundred one million, nine hundred eighty-three thousand, seven hundred one".