99426899 has 8 divisors (see below), whose sum is σ = 116809392. Its totient is φ = 83435040.

The previous prime is 99426883. The next prime is 99426911. The reversal of 99426899 is 99862499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99426899 - 2⁴ = 99426883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99426809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347504 + ... + 347789.

It is an arithmetic number, because the mean of its divisors is an integer number (14601174).

Almost surely, 2^99426899 is an apocalyptic number.

99426899 is a deficient number, since it is larger than the sum of its proper divisors (17382493).

99426899 is a wasteful number, since it uses less digits than its factorization.

99426899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695317.

The product of its digits is 2519424, while the sum is 56.

The square root of 99426899 is about 9971.3037763374. The cubic root of 99426899 is about 463.2704843183.

Subtracting 99426899 from its reverse (99862499), we obtain a square (435600 = 660²).

It can be divided in two parts, 99 and 426899, that multiplied together give a square (42263001 = 6501²).

The spelling of 99426899 in words is "ninety-nine million, four hundred twenty-six thousand, eight hundred ninety-nine".