90385199 has 8 divisors (see below), whose sum is σ = 93607920. Its totient is φ = 87169600.

The previous prime is 90385189. The next prime is 90385231. The reversal of 90385199 is 99158309.

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 90385199 - 2¹² = 90381103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90385129) 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, 49004 + ... + 50814.

It is an arithmetic number, because the mean of its divisors is an integer number (11700990).

Almost surely, 2^90385199 is an apocalyptic number.

90385199 is a deficient number, since it is larger than the sum of its proper divisors (3222721).

90385199 is a wasteful number, since it uses less digits than its factorization.

90385199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 90385199 is about 9507.1130739042. The cubic root of 90385199 is about 448.7789101054.

The spelling of 90385199 in words is "ninety million, three hundred eighty-five thousand, one hundred ninety-nine".