2647442 has 16 divisors (see below), whose sum is σ = 4577280. Its totient is φ = 1124928.

The previous prime is 2647429. The next prime is 2647459. The reversal of 2647442 is 2447462.

It is an Ulam 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, 1034 + ... + 2522.

It is an arithmetic number, because the mean of its divisors is an integer number (286080).

2^2647442 is an apocalyptic number.

2647442 is a deficient number, since it is larger than the sum of its proper divisors (1929838).

2647442 is a wasteful number, since it uses less digits than its factorization.

2647442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625.

The product of its digits is 10752, while the sum is 29.

The square root of 2647442 is about 1627.0961864623. The cubic root of 2647442 is about 138.3382098570.

The spelling of 2647442 in words is "two million, six hundred forty-seven thousand, four hundred forty-two".