99964415 has 16 divisors (see below), whose sum is σ = 126894720. Its totient is φ = 75388320.

The previous prime is 99964411. The next prime is 99964451. The reversal of 99964415 is 51446999.

It is not a de Polignac number, because 99964415 - 2² = 99964411 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 99964415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99964411) 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, 17552 + ... + 22538.

It is an arithmetic number, because the mean of its divisors is an integer number (7930920).

Almost surely, 2^99964415 is an apocalyptic number.

99964415 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99964415 is a deficient number, since it is larger than the sum of its proper divisors (26930305).

99964415 is a wasteful number, since it uses less digits than its factorization.

99964415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5222.

The product of its digits is 349920, while the sum is 47.

The square root of 99964415 is about 9998.2205916853. The cubic root of 99964415 is about 464.1038198498.

The spelling of 99964415 in words is "ninety-nine million, nine hundred sixty-four thousand, four hundred fifteen".