11439432 has 24 divisors (see below), whose sum is σ = 30981990. Its totient is φ = 3813120.

The previous prime is 11439431. The next prime is 11439433. The reversal of 11439432 is 23493411.

It is an interprime number because it is at equal distance from previous prime (11439431) and next prime (11439433).

It can be written as a sum of positive squares in only one way, i.e., 10929636 + 509796 = 3306^2 + 714^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11439396 and 11439405.

It is not an unprimeable number, because it can be changed into a prime (11439431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79369 + ... + 79512.

Almost surely, 2^11439432 is an apocalyptic number.

11439432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11439432 is an abundant number, since it is smaller than the sum of its proper divisors (19542558).

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

11439432 is a wasteful number, since it uses less digits than its factorization.

11439432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158893 (or 158886 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 11439432 is about 3382.2229376551. Note that the first 3 decimals coincide. The cubic root of 11439432 is about 225.3209050562.

The spelling of 11439432 in words is "eleven million, four hundred thirty-nine thousand, four hundred thirty-two".