90576834 has 32 divisors (see below), whose sum is σ = 185993280. Its totient is φ = 29390592.

The previous prime is 90576803. The next prime is 90576839. The reversal of 90576834 is 43867509.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90576839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146494 + ... + 147110.

It is an arithmetic number, because the mean of its divisors is an integer number (5812290).

Almost surely, 2^90576834 is an apocalyptic number.

90576834 is an abundant number, since it is smaller than the sum of its proper divisors (95416446).

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

90576834 is a wasteful number, since it uses less digits than its factorization.

90576834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 90576834 is about 9517.1862438433. The cubic root of 90576834 is about 449.0958537292.

The spelling of 90576834 in words is "ninety million, five hundred seventy-six thousand, eight hundred thirty-four".