90228873 has 8 divisors (see below), whose sum is σ = 137491648. Its totient is φ = 51559344.

The previous prime is 90228871. The next prime is 90228883. The reversal of 90228873 is 37882209.

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

It is not a de Polignac number, because 90228873 - 2¹ = 90228871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90228871) 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, 2148286 + ... + 2148327.

It is an arithmetic number, because the mean of its divisors is an integer number (17186456).

Almost surely, 2^90228873 is an apocalyptic number.

It is an amenable number.

90228873 is a deficient number, since it is larger than the sum of its proper divisors (47262775).

90228873 is a wasteful number, since it uses less digits than its factorization.

90228873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296623.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 90228873 is about 9498.8879875489. The cubic root of 90228873 is about 448.5200318168.

The spelling of 90228873 in words is "ninety million, two hundred twenty-eight thousand, eight hundred seventy-three".