1240832 has 36 divisors (see below), whose sum is σ = 2563176. Its totient is φ = 599040.

The previous prime is 1240831. The next prime is 1240859. The reversal of 1240832 is 2380421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9407 + ... + 9537.

2^1240832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281588).

1240832 is an abundant number, since it is smaller than the sum of its proper divisors (1322344).

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

1240832 is an equidigital number, since it uses as much as digits as its factorization.

1240832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1240832 is about 1113.9263889504. The cubic root of 1240832 is about 107.4577299108.

It can be divided in two parts, 12 and 40832, that multiplied together give a palindrome (489984).

The spelling of 1240832 in words is "one million, two hundred forty thousand, eight hundred thirty-two".