99964499 has 2 divisors, whose sum is σ = 99964500.
Its totient is φ = 99964498.
The previous prime is 99964493. The next prime is 99964511. The reversal of 99964499 is 99446999.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 99964499 - 24 = 99964483 is a prime.
It is not a weakly prime, because it can be changed into another prime (99964493) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49982249 + 49982250.
It is an arithmetic number, because the mean of its divisors is an integer number (49982250).
Almost surely, 299964499 is an apocalyptic number.
99964499 is a deficient number, since it is larger than the sum of its proper divisors (1).
99964499 is an equidigital number, since it uses as much as digits as its factorization.
99964499 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5668704, while the sum is 59.
The square root of 99964499 is about 9998.2247924319.
The cubic root of 99964499 is about 464.1039498451.
The spelling of 99964499 in words is "ninety-nine million, nine hundred sixty-four thousand, four hundred ninety-nine".