99964607 has 4 divisors (see below), whose sum is σ = 105844896. Its totient is φ = 94084320.

The previous prime is 99964597. The next prime is 99964691. The reversal of 99964607 is 70646999.

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

It is a cyclic number.

It is not a de Polignac number, because 99964607 - 2¹⁴ = 99948223 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99964807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940119 + ... + 2940152.

It is an arithmetic number, because the mean of its divisors is an integer number (26461224).

Almost surely, 2^99964607 is an apocalyptic number.

99964607 is a deficient number, since it is larger than the sum of its proper divisors (5880289).

99964607 is a wasteful number, since it uses less digits than its factorization.

99964607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880288.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 99964607 is about 9998.2301933892. The cubic root of 99964607 is about 464.1041169818.

The spelling of 99964607 in words is "ninety-nine million, nine hundred sixty-four thousand, six hundred seven".