10989215 has 8 divisors (see below), whose sum is σ = 13272000. Its totient is φ = 8734752.

The previous prime is 10989203. The next prime is 10989229. The reversal of 10989215 is 51298901.

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 10989215 - 2⁶ = 10989151 is a prime.

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, 6215 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (1659000).

Almost surely, 2^10989215 is an apocalyptic number.

10989215 is a deficient number, since it is larger than the sum of its proper divisors (2282785).

10989215 is a wasteful number, since it uses less digits than its factorization.

10989215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14161.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 10989215 is about 3314.9984917040. The cubic root of 10989215 is about 222.3253015767.

The spelling of 10989215 in words is "ten million, nine hundred eighty-nine thousand, two hundred fifteen".