90268906 has 16 divisors (see below), whose sum is σ = 166650624. Its totient is φ = 35710704.

The previous prime is 90268847. The next prime is 90268907. The reversal of 90268906 is 60986209.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90268907) 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, 247810 + ... + 248173.

It is an arithmetic number, because the mean of its divisors is an integer number (10415664).

Almost surely, 2^90268906 is an apocalyptic number.

90268906 is a deficient number, since it is larger than the sum of its proper divisors (76381718).

90268906 is a wasteful number, since it uses less digits than its factorization.

90268906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496005.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 90268906 is about 9500.9950005249. The cubic root of 90268906 is about 448.5863555517.

The spelling of 90268906 in words is "ninety million, two hundred sixty-eight thousand, nine hundred six".