90356804 has 6 divisors (see below), whose sum is σ = 158124414. Its totient is φ = 45178400.

The previous prime is 90356767. The next prime is 90356807. The reversal of 90356804 is 40865309.

It can be written as a sum of positive squares in only one way, i.e., 46267204 + 44089600 = 6802^2 + 6640^2 .

It is not an unprimeable number, because it can be changed into a prime (90356807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11294597 + ... + 11294604.

It is an arithmetic number, because the mean of its divisors is an integer number (26354069).

Almost surely, 2^90356804 is an apocalyptic number.

It is an amenable number.

90356804 is a deficient number, since it is larger than the sum of its proper divisors (67767610).

90356804 is a wasteful number, since it uses less digits than its factorization.

90356804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22589205 (or 22589203 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 90356804 is about 9505.6196010571. The cubic root of 90356804 is about 448.7319097411.

The spelling of 90356804 in words is "ninety million, three hundred fifty-six thousand, eight hundred four".