9983980401 has 16 divisors (see below), whose sum is σ = 13453985664. Its totient is φ = 6585030144.

The previous prime is 9983980393. The next prime is 9983980403. The reversal of 9983980401 is 1040893899.

It is a happy number.

It is not a de Polignac number, because 9983980401 - 2³ = 9983980393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9983980403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283215 + ... + 1290971.

It is an arithmetic number, because the mean of its divisors is an integer number (840874104).

Almost surely, 2^9983980401 is an apocalyptic number.

It is an amenable number.

9983980401 is a deficient number, since it is larger than the sum of its proper divisors (3470005263).

9983980401 is a wasteful number, since it uses less digits than its factorization.

9983980401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12280.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 9983980401 is about 99919.8699008360. The cubic root of 9983980401 is about 2153.2836358385.

The spelling of 9983980401 in words is "nine billion, nine hundred eighty-three million, nine hundred eighty thousand, four hundred one".