97883989 has 16 divisors (see below), whose sum is σ = 113270400. Its totient is φ = 82857024.

The previous prime is 97883987. The next prime is 97883993. The reversal of 97883989 is 98938879.

It is a cyclic number.

It is not a de Polignac number, because 97883989 - 2¹ = 97883987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97883987) 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, 363747 + ... + 364015.

It is an arithmetic number, because the mean of its divisors is an integer number (7079400).

Almost surely, 2^97883989 is an apocalyptic number.

It is an amenable number.

97883989 is a deficient number, since it is larger than the sum of its proper divisors (15386411).

97883989 is a wasteful number, since it uses less digits than its factorization.

97883989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its digits is 7838208, while the sum is 61.

The square root of 97883989 is about 9893.6337611618. The cubic root of 97883989 is about 460.8616317510.

The spelling of 97883989 in words is "ninety-seven million, eight hundred eighty-three thousand, nine hundred eighty-nine".