2649544 has 16 divisors (see below), whose sum is σ = 4993200. Its totient is φ = 1318032.

The previous prime is 2649541. The next prime is 2649547. The reversal of 2649544 is 4459462.

It is an interprime number because it is at equal distance from previous prime (2649541) and next prime (2649547).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2649541) 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, 1087 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (312075).

2^2649544 is an apocalyptic number.

It is an amenable number.

2649544 is a deficient number, since it is larger than the sum of its proper divisors (2343656).

2649544 is a wasteful number, since it uses less digits than its factorization.

2649544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1688 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 2649544 is about 1627.7419942976. The cubic root of 2649544 is about 138.3748124834.

The spelling of 2649544 in words is "two million, six hundred forty-nine thousand, five hundred forty-four".