90425930 has 16 divisors (see below), whose sum is σ = 186019200. Its totient is φ = 31003152.

The previous prime is 90425911. The next prime is 90425963. The reversal of 90425930 is 3952409.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 645830 + ... + 645969.

It is an arithmetic number, because the mean of its divisors is an integer number (11626200).

Almost surely, 2^90425930 is an apocalyptic number.

90425930 is an abundant number, since it is smaller than the sum of its proper divisors (95593270).

90425930 is a wasteful number, since it uses less digits than its factorization.

90425930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291813.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 90425930 is about 9509.2549655586. The cubic root of 90425930 is about 448.8463122498.

The spelling of 90425930 in words is "ninety million, four hundred twenty-five thousand, nine hundred thirty".