90395806 has 16 divisors (see below), whose sum is σ = 143861760. Its totient is φ = 42479640.

The previous prime is 90395803. The next prime is 90395821. The reversal of 90395806 is 60859309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90395801) 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, 4540 + ... + 14191.

It is an arithmetic number, because the mean of its divisors is an integer number (8991360).

Almost surely, 2^90395806 is an apocalyptic number.

90395806 is a deficient number, since it is larger than the sum of its proper divisors (53465954).

90395806 is a wasteful number, since it uses less digits than its factorization.

90395806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18879.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 90395806 is about 9507.6709030130. The cubic root of 90395806 is about 448.7964646451.

The spelling of 90395806 in words is "ninety million, three hundred ninety-five thousand, eight hundred six".