8990215 has 8 divisors (see below), whose sum is σ = 11618208. Its totient is φ = 6638880.

The previous prime is 8990209. The next prime is 8990239. The reversal of 8990215 is 5120998.

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

It is not a de Polignac number, because 8990215 - 2⁵ = 8990183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69091 + ... + 69220.

It is an arithmetic number, because the mean of its divisors is an integer number (1452276).

Almost surely, 2^8990215 is an apocalyptic number.

8990215 is a deficient number, since it is larger than the sum of its proper divisors (2627993).

8990215 is a wasteful number, since it uses less digits than its factorization.

8990215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138329.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 8990215 is about 2998.3687231560. The cubic root of 8990215 is about 207.9329711905.

The spelling of 8990215 in words is "eight million, nine hundred ninety thousand, two hundred fifteen".