2670784 has 28 divisors (see below), whose sum is σ = 5486400. Its totient is φ = 1288448.

The previous prime is 2670769. The next prime is 2670791. The reversal of 2670784 is 4870762.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137 + ... + 2575.

2^2670784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2670784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2743200).

2670784 is an abundant number, since it is smaller than the sum of its proper divisors (2815616).

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

2670784 is a wasteful number, since it uses less digits than its factorization.

2670784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 2670784 is about 1634.2533463328. The cubic root of 2670784 is about 138.7435881570.

Adding to 2670784 its product of nonzero digits (18816), we get a square (2689600 = 1640²).

The spelling of 2670784 in words is "two million, six hundred seventy thousand, seven hundred eighty-four".