97866384 has 80 divisors (see below), whose sum is σ = 315217920. Its totient is φ = 25418880.

The previous prime is 97866337. The next prime is 97866389. The reversal of 97866384 is 48366879.

It is a super-3 number, since 3×97866384³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (97866389) 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, 9544 + ... + 16935.

It is an arithmetic number, because the mean of its divisors is an integer number (3940224).

Almost surely, 2^97866384 is an apocalyptic number.

It is an amenable number.

97866384 is an abundant number, since it is smaller than the sum of its proper divisors (217351536).

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

97866384 is a wasteful number, since it uses less digits than its factorization.

97866384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508 (or 26502 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 97866384 is about 9892.7440076048. The cubic root of 97866384 is about 460.8340005535.

The spelling of 97866384 in words is "ninety-seven million, eight hundred sixty-six thousand, three hundred eighty-four".