1606704 has 80 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 455680.

The previous prime is 1606681. The next prime is 1606723. The reversal of 1606704 is 4076061.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8887 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (60264).

2^1606704 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 1606704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410560).

1606704 is an abundant number, since it is smaller than the sum of its proper divisors (3214416).

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

1606704 is a wasteful number, since it uses less digits than its factorization.

1606704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1606704 is about 1267.5582826837. The cubic root of 1606704 is about 117.1238370298.

The spelling of 1606704 in words is "one million, six hundred six thousand, seven hundred four".