99926805 has 16 divisors (see below), whose sum is σ = 174417984. Its totient is φ = 48449280.

The previous prime is 99926777. The next prime is 99926809. The reversal of 99926805 is 50862999.

It is not a de Polignac number, because 99926805 - 2⁵ = 99926773 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 (99926809) 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, 302644 + ... + 302973.

It is an arithmetic number, because the mean of its divisors is an integer number (10901124).

Almost surely, 2^99926805 is an apocalyptic number.

It is an amenable number.

99926805 is a deficient number, since it is larger than the sum of its proper divisors (74491179).

99926805 is a wasteful number, since it uses less digits than its factorization.

99926805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605636.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 99926805 is about 9996.3395800663. The cubic root of 99926805 is about 464.0456086881.

It can be divided in two parts, 9992680 and 5, that added together give a triangular number (9992685 = T₄₄₇₀).

The spelling of 99926805 in words is "ninety-nine million, nine hundred twenty-six thousand, eight hundred five".