99430434 has 12 divisors (see below), whose sum is σ = 215432646. Its totient is φ = 33143472.

The previous prime is 99430417. The next prime is 99430447. The reversal of 99430434 is 43403499.

It can be written as a sum of positive squares in only one way, i.e., 63250209 + 36180225 = 7953^2 + 6015^2 .

It is a super-2 number, since 2×99430434² = 19772822410856712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2761939 + ... + 2761974.

Almost surely, 2^99430434 is an apocalyptic number.

99430434 is an abundant number, since it is smaller than the sum of its proper divisors (116002212).

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

99430434 is a wasteful number, since it uses less digits than its factorization.

99430434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523921 (or 5523918 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 99430434 is about 9971.4810334273. The cubic root of 99430434 is about 463.2759745890.

The spelling of 99430434 in words is "ninety-nine million, four hundred thirty thousand, four hundred thirty-four".