2661244 has 6 divisors (see below), whose sum is σ = 4657184. Its totient is φ = 1330620.

The previous prime is 2661233. The next prime is 2661251. The reversal of 2661244 is 4421662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332652 + ... + 332659.

2^2661244 is an apocalyptic number.

It is an amenable number.

2661244 is a deficient number, since it is larger than the sum of its proper divisors (1995940).

2661244 is a wasteful number, since it uses less digits than its factorization.

2661244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665315 (or 665313 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 2661244 is about 1631.3319711205. The cubic root of 2661244 is about 138.5781944072.

The spelling of 2661244 in words is "two million, six hundred sixty-one thousand, two hundred forty-four".