99024665 has 4 divisors (see below), whose sum is σ = 118829604. Its totient is φ = 79219728.

The previous prime is 99024659. The next prime is 99024671. The reversal of 99024665 is 56642099.

99024665 = 7036² + 7037².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56642099 = 61 ⋅928559.

It is an interprime number because it is at equal distance from previous prime (99024659) and next prime (99024671).

It can be written as a sum of positive squares in 2 ways, for example, as 49519369 + 49505296 = 7037^2 + 7036^2 .

It is a cyclic number.

It is not a de Polignac number, because 99024665 - 2⁴ = 99024649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9902462 + ... + 9902471.

It is an arithmetic number, because the mean of its divisors is an integer number (29707401).

Almost surely, 2^99024665 is an apocalyptic number.

99024665 is the 7037-th centered square number.

It is an amenable number.

99024665 is a deficient number, since it is larger than the sum of its proper divisors (19804939).

99024665 is a wasteful number, since it uses less digits than its factorization.

99024665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19804938.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 99024665 is about 9951.1137567611. The cubic root of 99024665 is about 462.6449158741.

The spelling of 99024665 in words is "ninety-nine million, twenty-four thousand, six hundred sixty-five".