2642884 has 18 divisors (see below), whose sum is σ = 4838750. Its totient is φ = 1262976.

The previous prime is 2642879. The next prime is 2642891. The reversal of 2642884 is 4882462.

It can be written as a sum of positive squares in only one way, i.e., 2166784 + 476100 = 1472^2 + 690^2 .

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1492 + ... + 2740.

2^2642884 is an apocalyptic number.

It is an amenable number.

2642884 is a deficient number, since it is larger than the sum of its proper divisors (2195866).

2642884 is a wasteful number, since it uses less digits than its factorization.

2642884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1274 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 2642884 is about 1625.6949283307. The cubic root of 2642884 is about 138.2587737108.

The spelling of 2642884 in words is "two million, six hundred forty-two thousand, eight hundred eighty-four".