2694564 has 54 divisors (see below), whose sum is σ = 7133490. Its totient is φ = 857472.

The previous prime is 2694541. The next prime is 2694569. The reversal of 2694564 is 4654962.

2694564 is a `hidden beast` number, since 2 + 6 + 94 + 564 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 166464 + 2528100 = 408^2 + 1590^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2694569) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30232 + ... + 30320.

2^2694564 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 2694564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3566745).

2694564 is an abundant number, since it is smaller than the sum of its proper divisors (4438926).

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

2694564 is a wasteful number, since it uses less digits than its factorization.

2694564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 123 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2694564 is about 1641.5127169778. The cubic root of 2694564 is about 139.1541515672.

The spelling of 2694564 in words is "two million, six hundred ninety-four thousand, five hundred sixty-four".