99805234 has 16 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 46567840.

The previous prime is 99805219. The next prime is 99805247. The reversal of 99805234 is 43250899.

It is a happy number.

It is a super-2 number, since 2×99805234² = 19922169467589512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24574 + ... + 28345.

It is an arithmetic number, because the mean of its divisors is an integer number (10001880).

Almost surely, 2^99805234 is an apocalyptic number.

99805234 is a deficient number, since it is larger than the sum of its proper divisors (60224846).

99805234 is a wasteful number, since it uses less digits than its factorization.

99805234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52985.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 99805234 is about 9990.2569536524. The cubic root of 99805234 is about 463.8573462823.

The spelling of 99805234 in words is "ninety-nine million, eight hundred five thousand, two hundred thirty-four".