10989399 has 16 divisors (see below), whose sum is σ = 15229440. Its totient is φ = 7043520.

The previous prime is 10989397. The next prime is 10989401. The reversal of 10989399 is 99398901.

It is an interprime number because it is at equal distance from previous prime (10989397) and next prime (10989401).

It is not a de Polignac number, because 10989399 - 2¹ = 10989397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989397) 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, 7659 + ... + 8979.

It is an arithmetic number, because the mean of its divisors is an integer number (951840).

Almost surely, 2^10989399 is an apocalyptic number.

10989399 is a deficient number, since it is larger than the sum of its proper divisors (4240041).

10989399 is a wasteful number, since it uses less digits than its factorization.

10989399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 157464, while the sum is 48.

The square root of 10989399 is about 3315.0262442400. The cubic root of 10989399 is about 222.3265424183.

The spelling of 10989399 in words is "ten million, nine hundred eighty-nine thousand, three hundred ninety-nine".