90603899 has 8 divisors (see below), whose sum is σ = 92128848. Its totient is φ = 89084160.

The previous prime is 90603889. The next prime is 90603901. The reversal of 90603899 is 99830609.

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

It is a cyclic number.

It is not a de Polignac number, because 90603899 - 2⁴ = 90603883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90603839) 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, 50099 + ... + 51875.

It is an arithmetic number, because the mean of its divisors is an integer number (11516106).

Almost surely, 2^90603899 is an apocalyptic number.

90603899 is a deficient number, since it is larger than the sum of its proper divisors (1524949).

90603899 is a wasteful number, since it uses less digits than its factorization.

90603899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 90603899 is about 9518.6080389939. The cubic root of 90603899 is about 449.1405802827.

The spelling of 90603899 in words is "ninety million, six hundred three thousand, eight hundred ninety-nine".