1144624 has 20 divisors (see below), whose sum is σ = 2388736. Its totient is φ = 528192.

The previous prime is 1144621. The next prime is 1144643. The reversal of 1144624 is 4264411.

It is a junction number, because it is equal to n+sod(n) for n = 1144595 and 1144604.

It is not an unprimeable number, because it can be changed into a prime (1144621) 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, 2544 + ... + 2959.

2^1144624 is an apocalyptic number.

It is an amenable number.

1144624 is an abundant number, since it is smaller than the sum of its proper divisors (1244112).

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

1144624 is a wasteful number, since it uses less digits than its factorization.

1144624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524 (or 5518 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1144624 is about 1069.8710202637. The cubic root of 1144624 is about 104.6054428934.

The spelling of 1144624 in words is "one million, one hundred forty-four thousand, six hundred twenty-four".