2644274 has 4 divisors (see below), whose sum is σ = 3966414. Its totient is φ = 1322136.

The previous prime is 2644261. The next prime is 2644277. The reversal of 2644274 is 4724462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 1221025 = 1193^2 + 1105^2 .

It is not an unprimeable number, because it can be changed into a prime (2644277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661067 + ... + 661070.

2^2644274 is an apocalyptic number.

2644274 is a deficient number, since it is larger than the sum of its proper divisors (1322140).

2644274 is a wasteful number, since it uses less digits than its factorization.

2644274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322139.

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

The square root of 2644274 is about 1626.1223816183. The cubic root of 2644274 is about 138.2830080969.

The spelling of 2644274 in words is "two million, six hundred forty-four thousand, two hundred seventy-four".