97281582 has 32 divisors (see below), whose sum is σ = 214970112. Its totient is φ = 29192064.

The previous prime is 97281571. The next prime is 97281589. The reversal of 97281582 is 28518279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97281589) 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, 18388 + ... + 23079.

It is an arithmetic number, because the mean of its divisors is an integer number (6717816).

Almost surely, 2^97281582 is an apocalyptic number.

97281582 is an abundant number, since it is smaller than the sum of its proper divisors (117688530).

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

97281582 is a wasteful number, since it uses less digits than its factorization.

97281582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41512.

The product of its digits is 80640, while the sum is 42.

The square root of 97281582 is about 9863.1426026394. The cubic root of 97281582 is about 459.9142593819.

The spelling of 97281582 in words is "ninety-seven million, two hundred eighty-one thousand, five hundred eighty-two".