90303404 has 24 divisors (see below), whose sum is σ = 161215488. Its totient is φ = 44249040.

The previous prime is 90303379. The next prime is 90303407. The reversal of 90303404 is 40430309.

It is a self number, because there is not a number n which added to its sum of digits gives 90303404.

It is not an unprimeable number, because it can be changed into a prime (90303407) 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, 59009 + ... + 60519.

It is an arithmetic number, because the mean of its divisors is an integer number (6717312).

Almost surely, 2^90303404 is an apocalyptic number.

It is an amenable number.

90303404 is a deficient number, since it is larger than the sum of its proper divisors (70912084).

90303404 is a wasteful number, since it uses less digits than its factorization.

90303404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 90303404 is about 9502.8103211629. The cubic root of 90303404 is about 448.6434935771.

The spelling of 90303404 in words is "ninety million, three hundred three thousand, four hundred four".