99791226 has 24 divisors (see below), whose sum is σ = 216602100. Its totient is φ = 33204096.

The previous prime is 99791213. The next prime is 99791239. The reversal of 99791226 is 62219799.

It is an interprime number because it is at equal distance from previous prime (99791213) and next prime (99791239).

It can be written as a sum of positive squares in 2 ways, for example, as 93026025 + 6765201 = 9645^2 + 2601^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6000 + ... + 15348.

Almost surely, 2^99791226 is an apocalyptic number.

99791226 is an abundant number, since it is smaller than the sum of its proper divisors (116810874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99791226 is a wasteful number, since it uses less digits than its factorization.

99791226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9950 (or 9947 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 99791226 is about 9989.5558459823. Note that the first 3 decimals coincide. The cubic root of 99791226 is about 463.8356439545.

The spelling of 99791226 in words is "ninety-nine million, seven hundred ninety-one thousand, two hundred twenty-six".