1816704 has 96 divisors (see below), whose sum is σ = 5569200. Its totient is φ = 566784.

The previous prime is 1816699. The next prime is 1816729. The reversal of 1816704 is 4076181.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21847 + ... + 21929.

2^1816704 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 1816704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2784600).

1816704 is an abundant number, since it is smaller than the sum of its proper divisors (3752496).

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

1816704 is a wasteful number, since it uses less digits than its factorization.

1816704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1816704 is about 1347.8516238815. The cubic root of 1816704 is about 122.0191674623.

The spelling of 1816704 in words is "one million, eight hundred sixteen thousand, seven hundred four".