90900803 has 8 divisors (see below), whose sum is σ = 105350400. Its totient is φ = 76817160.

The previous prime is 90900791. The next prime is 90900809. The reversal of 90900803 is 30800909.

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

It is not a de Polignac number, because 90900803 - 2⁴ = 90900787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90900809) 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, 90953 + ... + 91946.

It is an arithmetic number, because the mean of its divisors is an integer number (13168800).

Almost surely, 2^90900803 is an apocalyptic number.

90900803 is a deficient number, since it is larger than the sum of its proper divisors (14449597).

90900803 is a wasteful number, since it uses less digits than its factorization.

90900803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182977.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 90900803 is about 9534.1912609303. The cubic root of 90900803 is about 449.6306483663.

The spelling of 90900803 in words is "ninety million, nine hundred thousand, eight hundred three".