97028532 has 18 divisors (see below), whose sum is σ = 245266658. Its totient is φ = 32342832.

The previous prime is 97028507. The next prime is 97028549. The reversal of 97028532 is 23582079.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96118416 + 910116 = 9804^2 + 954^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2695237 = 97028532 / (9 + 7 + 0 + 2 + 8 + 5 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1347583 + ... + 1347654.

Almost surely, 2^97028532 is an apocalyptic number.

It is an amenable number.

97028532 is an abundant number, since it is smaller than the sum of its proper divisors (148238126).

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

97028532 is a wasteful number, since it uses less digits than its factorization.

97028532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695247 (or 2695242 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 97028532 is about 9850.3061881345. The cubic root of 97028532 is about 459.5151349782.

The spelling of 97028532 in words is "ninety-seven million, twenty-eight thousand, five hundred thirty-two".