97828272 has 30 divisors (see below), whose sum is σ = 273783692. Its totient is φ = 32609376.

The previous prime is 97828261. The next prime is 97828277. The reversal of 97828272 is 27282879.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (97828277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339538 + ... + 339825.

Almost surely, 2^97828272 is an apocalyptic number.

It is an amenable number.

97828272 is an abundant number, since it is smaller than the sum of its proper divisors (175955420).

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

97828272 is a wasteful number, since it uses less digits than its factorization.

97828272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679377 (or 679368 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 97828272 is about 9890.8175597369. The cubic root of 97828272 is about 460.7741720911.

The spelling of 97828272 in words is "ninety-seven million, eight hundred twenty-eight thousand, two hundred seventy-two".