99090435 has 16 divisors (see below), whose sum is σ = 159115680. Its totient is φ = 52657920.

The previous prime is 99090427. The next prime is 99090437. The reversal of 99090435 is 53409099.

It is a happy number.

It is not a de Polignac number, because 99090435 - 2³ = 99090427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99090393 and 99090402.

It is not an unprimeable number, because it can be changed into a prime (99090437) 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, 7540 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (9944730).

Almost surely, 2^99090435 is an apocalyptic number.

99090435 is a deficient number, since it is larger than the sum of its proper divisors (60025245).

99090435 is a wasteful number, since it uses less digits than its factorization.

99090435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23798.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 99090435 is about 9954.4178634413. The cubic root of 99090435 is about 462.7473193916.

The spelling of 99090435 in words is "ninety-nine million, ninety thousand, four hundred thirty-five".