90256306 has 16 divisors (see below), whose sum is σ = 155260224. Its totient is φ = 38547504.

The previous prime is 90256291. The next prime is 90256307. The reversal of 90256306 is 60365209.

It is not an unprimeable number, because it can be changed into a prime (90256307) 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 7 ways as a sum of consecutive naturals, for example, 6900 + ... + 15103.

It is an arithmetic number, because the mean of its divisors is an integer number (9703764).

Almost surely, 2^90256306 is an apocalyptic number.

90256306 is a deficient number, since it is larger than the sum of its proper divisors (65003918).

90256306 is a wasteful number, since it uses less digits than its factorization.

90256306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22305.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 90256306 is about 9500.3318889395. The cubic root of 90256306 is about 448.5654829119.

The spelling of 90256306 in words is "ninety million, two hundred fifty-six thousand, three hundred six".