97538532 has 96 divisors (see below), whose sum is σ = 282240000. Its totient is φ = 25529472.

The previous prime is 97538509. The next prime is 97538557. The reversal of 97538532 is 23583579.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195219 + ... + 195717.

It is an arithmetic number, because the mean of its divisors is an integer number (2940000).

Almost surely, 2^97538532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97538532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141120000).

97538532 is an abundant number, since it is smaller than the sum of its proper divisors (184701468).

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

97538532 is a wasteful number, since it uses less digits than its factorization.

97538532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 703 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 97538532 is about 9876.1597799955. The cubic root of 97538532 is about 460.3188274878.

The spelling of 97538532 in words is "ninety-seven million, five hundred thirty-eight thousand, five hundred thirty-two".