2691244 has 6 divisors (see below), whose sum is σ = 4709684. Its totient is φ = 1345620.

The previous prime is 2691239. The next prime is 2691251. The reversal of 2691244 is 4421962.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336402 + ... + 336409.

2^2691244 is an apocalyptic number.

It is an amenable number.

2691244 is a deficient number, since it is larger than the sum of its proper divisors (2018440).

2691244 is a wasteful number, since it uses less digits than its factorization.

2691244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672815 (or 672813 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2691244 is about 1640.5011429438. The cubic root of 2691244 is about 139.0969769922.

The spelling of 2691244 in words is "two million, six hundred ninety-one thousand, two hundred forty-four".