90254199 has 16 divisors (see below), whose sum is σ = 144769280. Its totient is φ = 48859200.

The previous prime is 90254191. The next prime is 90254209. The reversal of 90254199 is 99145209.

It is not a de Polignac number, because 90254199 - 2³ = 90254191 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 (90254191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112702 + ... + 113499.

It is an arithmetic number, because the mean of its divisors is an integer number (9048080).

Almost surely, 2^90254199 is an apocalyptic number.

90254199 is a deficient number, since it is larger than the sum of its proper divisors (54515081).

90254199 is a wasteful number, since it uses less digits than its factorization.

90254199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226230.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 90254199 is about 9500.2209974295. The cubic root of 90254199 is about 448.5619923531.

The spelling of 90254199 in words is "ninety million, two hundred fifty-four thousand, one hundred ninety-nine".