90356806 has 16 divisors (see below), whose sum is σ = 136756224. Its totient is φ = 44773704.

The previous prime is 90356767. The next prime is 90356807. The reversal of 90356806 is 60865309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90356807) 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, 148555 + ... + 149161.

It is an arithmetic number, because the mean of its divisors is an integer number (8547264).

Almost surely, 2^90356806 is an apocalyptic number.

90356806 is a deficient number, since it is larger than the sum of its proper divisors (46399418).

90356806 is a wasteful number, since it uses less digits than its factorization.

90356806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 90356806 is about 9505.6197062580. The cubic root of 90356806 is about 448.7319130519.

The spelling of 90356806 in words is "ninety million, three hundred fifty-six thousand, eight hundred six".