90395906 has 8 divisors (see below), whose sum is σ = 137892240. Its totient is φ = 44431828.

The previous prime is 90395897. The next prime is 90395917. The reversal of 90395906 is 60959309.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 382916 + ... + 383151.

It is an arithmetic number, because the mean of its divisors is an integer number (17236530).

Almost surely, 2^90395906 is an apocalyptic number.

90395906 is a deficient number, since it is larger than the sum of its proper divisors (47496334).

90395906 is a wasteful number, since it uses less digits than its factorization.

90395906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766128.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 90395906 is about 9507.6761619231. The cubic root of 90395906 is about 448.7966301381.

The spelling of 90395906 in words is "ninety million, three hundred ninety-five thousand, nine hundred six".