99211434 has 32 divisors (see below), whose sum is σ = 227101056. Its totient is φ = 28304640.

The previous prime is 99211433. The next prime is 99211451. The reversal of 99211434 is 43411299.

It is a junction number, because it is equal to n+sod(n) for n = 99211395 and 99211404.

It is not an unprimeable number, because it can be changed into a prime (99211433) 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, 38094 + ... + 40614.

It is an arithmetic number, because the mean of its divisors is an integer number (7096908).

Almost surely, 2^99211434 is an apocalyptic number.

99211434 is an abundant number, since it is smaller than the sum of its proper divisors (127889622).

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

99211434 is a wasteful number, since it uses less digits than its factorization.

99211434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470.

The product of its digits is 7776, while the sum is 33.

The square root of 99211434 is about 9960.4936624647. The cubic root of 99211434 is about 462.9355958477.

The spelling of 99211434 in words is "ninety-nine million, two hundred eleven thousand, four hundred thirty-four".