1244432 has 40 divisors (see below), whose sum is σ = 2833152. Its totient is φ = 518400.

The previous prime is 1244429. The next prime is 1244437. The reversal of 1244432 is 2344421.

1244432 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×1244432² = 3097222005248, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1244437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4457 + ... + 4727.

2^1244432 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 1244432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416576).

1244432 is an abundant number, since it is smaller than the sum of its proper divisors (1588720).

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

1244432 is a wasteful number, since it uses less digits than its factorization.

1244432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 321 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 1244432 is about 1115.5411242980. The cubic root of 1244432 is about 107.5615511941.

Adding to 1244432 its reverse (2344421), we get a palindrome (3588853).

It can be divided in two parts, 12 and 44432, that added together give a palindrome (44444).

The spelling of 1244432 in words is "one million, two hundred forty-four thousand, four hundred thirty-two".