2144704 has 56 divisors (see below), whose sum is σ = 4681728. Its totient is φ = 971520.

The previous prime is 2144689. The next prime is 2144707. The reversal of 2144704 is 4074412.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45609 + ... + 45655.

2^2144704 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 2144704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2340864).

2144704 is an abundant number, since it is smaller than the sum of its proper divisors (2537024).

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

2144704 is a wasteful number, since it uses less digits than its factorization.

2144704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 2144704 is about 1464.4807953674. The cubic root of 2144704 is about 128.9602265059.

The spelling of 2144704 in words is "two million, one hundred forty-four thousand, seven hundred four".