90214434 has 24 divisors (see below), whose sum is σ = 196782300. Its totient is φ = 29868768.

The previous prime is 90214429. The next prime is 90214459. The reversal of 90214434 is 43441209.

It can be written as a sum of positive squares in 2 ways, for example, as 71318025 + 18896409 = 8445^2 + 4347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90214398 and 90214407.

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, 14137 + ... + 19500.

Almost surely, 2^90214434 is an apocalyptic number.

90214434 is an abundant number, since it is smaller than the sum of its proper divisors (106567866).

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

90214434 is a wasteful number, since it uses less digits than its factorization.

90214434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33794 (or 33791 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 90214434 is about 9498.1279208063. The cubic root of 90214434 is about 448.4961055280.

The spelling of 90214434 in words is "ninety million, two hundred fourteen thousand, four hundred thirty-four".