2769644 has 12 divisors (see below), whose sum is σ = 4926768. Its totient is φ = 1362000.

The previous prime is 2769631. The next prime is 2769647. The reversal of 2769644 is 4469672.

It is a d-powerful number, because it can be written as 2⁷ + 7⁷ + 6² + 9² + 6⁸ + 4⁶ + 4⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2769598 and 2769607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2769647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5432 + ... + 5919.

It is an arithmetic number, because the mean of its divisors is an integer number (410564).

2^2769644 is an apocalyptic number.

It is an amenable number.

2769644 is a deficient number, since it is larger than the sum of its proper divisors (2157124).

2769644 is a wasteful number, since it uses less digits than its factorization.

2769644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11416 (or 11414 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 2769644 is about 1664.2247444381. The cubic root of 2769644 is about 140.4347708677.

The spelling of 2769644 in words is "two million, seven hundred sixty-nine thousand, six hundred forty-four".