90802806 has 16 divisors (see below), whose sum is σ = 181771248. Its totient is φ = 30240000.

The previous prime is 90802757. The next prime is 90802807. The reversal of 90802806 is 60820809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90802807) 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, 906 + ... + 13506.

It is an arithmetic number, because the mean of its divisors is an integer number (11360703).

Almost surely, 2^90802806 is an apocalyptic number.

90802806 is an abundant number, since it is smaller than the sum of its proper divisors (90968442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90802806 is a wasteful number, since it uses less digits than its factorization.

90802806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13807.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 90802806 is about 9529.0506347694. The cubic root of 90802806 is about 449.4690132038.

The spelling of 90802806 in words is "ninety million, eight hundred two thousand, eight hundred six".