2489624 has 8 divisors (see below), whose sum is σ = 4668060. Its totient is φ = 1244808.

The previous prime is 2489611. The next prime is 2489639. The reversal of 2489624 is 4269842.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2489624² = 12396455322752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155594 + ... + 155609.

2^2489624 is an apocalyptic number.

It is an amenable number.

2489624 is a deficient number, since it is larger than the sum of its proper divisors (2178436).

2489624 is a wasteful number, since it uses less digits than its factorization.

2489624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311209 (or 311205 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 2489624 is about 1577.8542391489. The cubic root of 2489624 is about 135.5328551475.

It can be divided in two parts, 2489 and 624, that added together give a palindrome (3113).

The spelling of 2489624 in words is "two million, four hundred eighty-nine thousand, six hundred twenty-four".