99849765 has 32 divisors (see below), whose sum is σ = 164486016. Its totient is φ = 51701760.

The previous prime is 99849751. The next prime is 99849767. The reversal of 99849765 is 56794899.

It is not a de Polignac number, because 99849765 - 2⁴ = 99849749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99849767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72685 + ... + 74045.

It is an arithmetic number, because the mean of its divisors is an integer number (5140188).

Almost surely, 2^99849765 is an apocalyptic number.

It is an amenable number.

99849765 is a deficient number, since it is larger than the sum of its proper divisors (64636251).

99849765 is a wasteful number, since it uses less digits than its factorization.

99849765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its digits is 4898880, while the sum is 57.

The square root of 99849765 is about 9992.4854265593. The cubic root of 99849765 is about 463.9263238276.

The spelling of 99849765 in words is "ninety-nine million, eight hundred forty-nine thousand, seven hundred sixty-five".