2942644 has 24 divisors (see below), whose sum is σ = 5600000. Its totient is φ = 1347840.

The previous prime is 2942629. The next prime is 2942657. The reversal of 2942644 is 4462492.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732 + ... + 2980.

2^2942644 is an apocalyptic number.

It is an amenable number.

2942644 is a deficient number, since it is larger than the sum of its proper divisors (2657356).

2942644 is a wasteful number, since it uses less digits than its factorization.

2942644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1301 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 2942644 is about 1715.4136527380. The cubic root of 2942644 is about 143.2999068739.

The spelling of 2942644 in words is "two million, nine hundred forty-two thousand, six hundred forty-four".