2442644 has 6 divisors (see below), whose sum is σ = 4274634. Its totient is φ = 1221320.

The previous prime is 2442631. The next prime is 2442667. The reversal of 2442644 is 4462442.

It can be written as a sum of positive squares in only one way, i.e., 1993744 + 448900 = 1412^2 + 670^2 .

It is a d-powerful number, because it can be written as 2⁷ + 4 + 4⁷ + 2²¹ + 6⁴ + 4⁸ + 4⁹ .

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, 305327 + ... + 305334.

It is an arithmetic number, because the mean of its divisors is an integer number (712439).

2^2442644 is an apocalyptic number.

It is an amenable number.

2442644 is a deficient number, since it is larger than the sum of its proper divisors (1831990).

2442644 is a wasteful number, since it uses less digits than its factorization.

2442644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610665 (or 610663 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 2442644 is about 1562.8960298113. The cubic root of 2442644 is about 134.6749197090.

The spelling of 2442644 in words is "two million, four hundred forty-two thousand, six hundred forty-four".