97891276 has 12 divisors (see below), whose sum is σ = 195782608. Its totient is φ = 41953392.

The previous prime is 97891267. The next prime is 97891331. The reversal of 97891276 is 67219879.

It is a happy number.

97891276 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748031 + ... + 1748086.

Almost surely, 2^97891276 is an apocalyptic number.

It is an amenable number.

97891276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97891276 is a wasteful number, since it uses less digits than its factorization.

97891276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496128 (or 3496126 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 97891276 is about 9894.0020214269. The cubic root of 97891276 is about 460.8730677901.

The spelling of 97891276 in words is "ninety-seven million, eight hundred ninety-one thousand, two hundred seventy-six".