90330434 has 4 divisors (see below), whose sum is σ = 135495654. Its totient is φ = 45165216.

The previous prime is 90330433. The next prime is 90330437. The reversal of 90330434 is 43403309.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68939809 + 21390625 = 8303^2 + 4625^2 .

It is not an unprimeable number, because it can be changed into a prime (90330433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22582607 + ... + 22582610.

Almost surely, 2^90330434 is an apocalyptic number.

90330434 is a deficient number, since it is larger than the sum of its proper divisors (45165220).

90330434 is a wasteful number, since it uses less digits than its factorization.

90330434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45165219.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 90330434 is about 9504.2324256091. The cubic root of 90330434 is about 448.6882524062.

The spelling of 90330434 in words is "ninety million, three hundred thirty thousand, four hundred thirty-four".