97200591 has 8 divisors (see below), whose sum is σ = 133103664. Its totient is φ = 63048960.

The previous prime is 97200557. The next prime is 97200601. The reversal of 97200591 is 19500279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97200591 - 2⁹ = 97200079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97280591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437730 + ... + 437951.

It is an arithmetic number, because the mean of its divisors is an integer number (16637958).

Almost surely, 2^97200591 is an apocalyptic number.

97200591 is a deficient number, since it is larger than the sum of its proper divisors (35903073).

97200591 is a wasteful number, since it uses less digits than its factorization.

97200591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875721.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 97200591 is about 9859.0360076429. The cubic root of 97200591 is about 459.7865913044.

The spelling of 97200591 in words is "ninety-seven million, two hundred thousand, five hundred ninety-one".