10989432 has 48 divisors (see below), whose sum is σ = 30870840. Its totient is φ = 3662496.

The previous prime is 10989431. The next prime is 10989443. The reversal of 10989432 is 23498901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883 + ... + 4770.

Almost surely, 2^10989432 is an apocalyptic number.

10989432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10989432 is an abundant number, since it is smaller than the sum of its proper divisors (19881408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10989432 is an equidigital number, since it uses as much as digits as its factorization.

10989432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674 (or 5658 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 10989432 is about 3315.0312215724. The cubic root of 10989432 is about 222.3267649591.

The spelling of 10989432 in words is "ten million, nine hundred eighty-nine thousand, four hundred thirty-two".