97244487 has 12 divisors (see below), whose sum is σ = 140750064. Its totient is φ = 64697760.

The previous prime is 97244467. The next prime is 97244491. The reversal of 97244487 is 78444279.

It is not a de Polignac number, because 97244487 - 2⁶ = 97244423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97244417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6214 + ... + 15267.

It is an arithmetic number, because the mean of its divisors is an integer number (11729172).

Almost surely, 2^97244487 is an apocalyptic number.

97244487 is a deficient number, since it is larger than the sum of its proper divisors (43505577).

97244487 is a wasteful number, since it uses less digits than its factorization.

97244487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21990 (or 21987 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 97244487 is about 9861.2619375007. The cubic root of 97244487 is about 459.8557944322.

The spelling of 97244487 in words is "ninety-seven million, two hundred forty-four thousand, four hundred eighty-seven".