99361597 has 4 divisors (see below), whose sum is σ = 99748476. Its totient is φ = 98974720.

The previous prime is 99361571. The next prime is 99361607. The reversal of 99361597 is 79516399.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69122596 + 30239001 = 8314^2 + 5499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99361597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99361597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99361517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193054 + ... + 193567.

It is an arithmetic number, because the mean of its divisors is an integer number (24937119).

Almost surely, 2^99361597 is an apocalyptic number.

It is an amenable number.

99361597 is a deficient number, since it is larger than the sum of its proper divisors (386879).

99361597 is a wasteful number, since it uses less digits than its factorization.

99361597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386878.

The product of its digits is 459270, while the sum is 49.

The square root of 99361597 is about 9968.0287419329. The cubic root of 99361597 is about 463.1690392198.

The spelling of 99361597 in words is "ninety-nine million, three hundred sixty-one thousand, five hundred ninety-seven".