2649888 has 48 divisors (see below), whose sum is σ = 7731360. Its totient is φ = 883008.

The previous prime is 2649887. The next prime is 2649893. The reversal of 2649888 is 8889462.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

Its product of digits (221184) is a multiple of the sum of its prime divisors (3072).

It is not an unprimeable number, because it can be changed into a prime (2649887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670 + ... + 2397.

It is an arithmetic number, because the mean of its divisors is an integer number (161070).

2^2649888 is an apocalyptic number.

It is an amenable number.

2649888 is an abundant number, since it is smaller than the sum of its proper divisors (5081472).

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

2649888 is a wasteful number, since it uses less digits than its factorization.

2649888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086 (or 3072 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 2649888 is about 1627.8476587199. The cubic root of 2649888 is about 138.3808007938.

The spelling of 2649888 in words is "two million, six hundred forty-nine thousand, eight hundred eighty-eight".