2643974 has 8 divisors (see below), whose sum is σ = 4001400. Its totient is φ = 1310176.

The previous prime is 2643961. The next prime is 2643989. The reversal of 2643974 is 4793462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624 + ... + 6075.

It is an arithmetic number, because the mean of its divisors is an integer number (500175).

2^2643974 is an apocalyptic number.

2643974 is a deficient number, since it is larger than the sum of its proper divisors (1357426).

2643974 is a wasteful number, since it uses less digits than its factorization.

2643974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11814.

The product of its digits is 36288, while the sum is 35.

The square root of 2643974 is about 1626.0301350221. The cubic root of 2643974 is about 138.2777783726.

The spelling of 2643974 in words is "two million, six hundred forty-three thousand, nine hundred seventy-four".