2449944 has 48 divisors (see below), whose sum is σ = 7584720. Its totient is φ = 699840.

The previous prime is 2449939. The next prime is 2449963. The reversal of 2449944 is 4499442.

It is a happy number.

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

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2449899 and 2449908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1927 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (158015).

2^2449944 is an apocalyptic number.

2449944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2449944 is an abundant number, since it is smaller than the sum of its proper divisors (5134776).

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

2449944 is a wasteful number, since it uses less digits than its factorization.

2449944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880 (or 4873 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2449944 is about 1565.2296956038. The cubic root of 2449944 is about 134.8089478573.

The spelling of 2449944 in words is "two million, four hundred forty-nine thousand, nine hundred forty-four".