90560906 has 16 divisors (see below), whose sum is σ = 138209280. Its totient is φ = 44498160.

The previous prime is 90560903. The next prime is 90560909. The reversal of 90560906 is 60906509.

It is an interprime number because it is at equal distance from previous prime (90560903) and next prime (90560909).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90560903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26051 + ... + 29321.

It is an arithmetic number, because the mean of its divisors is an integer number (8638080).

Almost surely, 2^90560906 is an apocalyptic number.

90560906 is a deficient number, since it is larger than the sum of its proper divisors (47648374).

90560906 is a wasteful number, since it uses less digits than its factorization.

90560906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 90560906 is about 9516.3494051028. The cubic root of 90560906 is about 449.0695275787.

The spelling of 90560906 in words is "ninety million, five hundred sixty thousand, nine hundred six".