1822704 has 80 divisors (see below), whose sum is σ = 5332992. Its totient is φ = 532224.

The previous prime is 1822703. The next prime is 1822781. The reversal of 1822704 is 4072281.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14289 + ... + 14415.

2^1822704 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 1822704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2666496).

1822704 is an abundant number, since it is smaller than the sum of its proper divisors (3510288).

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

1822704 is a wasteful number, since it uses less digits than its factorization.

1822704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1822704 is about 1350.0755534414. The cubic root of 1822704 is about 122.1533501174.

Adding to 1822704 its reverse (4072281), we get a palindrome (5894985).

It can be divided in two parts, 18 and 22704, that added together give a palindrome (22722).

The spelling of 1822704 in words is "one million, eight hundred twenty-two thousand, seven hundred four".