90530434 has 4 divisors (see below), whose sum is σ = 135795654. Its totient is φ = 45265216.

The previous prime is 90530411. The next prime is 90530449. The reversal of 90530434 is 43403509.

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., 66471409 + 24059025 = 8153^2 + 4905^2 .

It is an unprimeable number.

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, 22632607 + ... + 22632610.

Almost surely, 2^90530434 is an apocalyptic number.

90530434 is a deficient number, since it is larger than the sum of its proper divisors (45265220).

90530434 is a wasteful number, since it uses less digits than its factorization.

90530434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45265219.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 90530434 is about 9514.7482362909. The cubic root of 90530434 is about 449.0191541805.

The spelling of 90530434 in words is "ninety million, five hundred thirty thousand, four hundred thirty-four".