2744406 has 48 divisors (see below), whose sum is σ = 7098624. Its totient is φ = 749232.

The previous prime is 2744359. The next prime is 2744411. The reversal of 2744406 is 6044472.

It is a self number, because there is not a number n which added to its sum of digits gives 2744406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2425 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (147888).

2^2744406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2744406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3549312).

2744406 is an abundant number, since it is smaller than the sum of its proper divisors (4354218).

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

2744406 is a wasteful number, since it uses less digits than its factorization.

2744406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 2744406 is about 1656.6248821022. The cubic root of 2744406 is about 140.0069044214.

Adding to 2744406 its reverse (6044472), we get a palindrome (8788878).

The spelling of 2744406 in words is "two million, seven hundred forty-four thousand, four hundred six".