2754639 has 24 divisors (see below), whose sum is σ = 4258800. Its totient is φ = 1710720.

The previous prime is 2754617. The next prime is 2754649. The reversal of 2754639 is 9364572.

It is not a de Polignac number, because 2754639 - 2⁹ = 2754127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2754649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15129 + ... + 15309.

It is an arithmetic number, because the mean of its divisors is an integer number (177450).

2^2754639 is an apocalyptic number.

2754639 is a deficient number, since it is larger than the sum of its proper divisors (1504161).

2754639 is a wasteful number, since it uses less digits than its factorization.

2754639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 292 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2754639 is about 1659.7105169276. The cubic root of 2754639 is about 140.1807020365.

The spelling of 2754639 in words is "two million, seven hundred fifty-four thousand, six hundred thirty-nine".