2621044 has 6 divisors (see below), whose sum is σ = 4586834. Its totient is φ = 1310520.

The previous prime is 2621033. The next prime is 2621053. The reversal of 2621044 is 4401262.

It can be written as a sum of positive squares in only one way, i.e., 2598544 + 22500 = 1612^2 + 150^2 .

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, 327627 + ... + 327634.

2^2621044 is an apocalyptic number.

It is an amenable number.

2621044 is a deficient number, since it is larger than the sum of its proper divisors (1965790).

2621044 is a wasteful number, since it uses less digits than its factorization.

2621044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655265 (or 655263 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2621044 is about 1618.9638661811. The cubic root of 2621044 is about 137.8768768100.

The spelling of 2621044 in words is "two million, six hundred twenty-one thousand, forty-four".