2644974 has 40 divisors (see below), whose sum is σ = 6141960. Its totient is φ = 849744.

The previous prime is 2644927. The next prime is 2644981. The reversal of 2644974 is 4794462.

2644974 is a `hidden beast` number, since 2 + 644 + 9 + 7 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4417 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (153549).

2^2644974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2644974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3070980).

2644974 is an abundant number, since it is smaller than the sum of its proper divisors (3496986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2644974 is a wasteful number, since it uses less digits than its factorization.

2644974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 597 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2644974 is about 1626.3376033284. The cubic root of 2644974 is about 138.2952092486.

The spelling of 2644974 in words is "two million, six hundred forty-four thousand, nine hundred seventy-four".