1706004 has 18 divisors (see below), whose sum is σ = 4312490. Its totient is φ = 568656.

The previous prime is 1705997. The next prime is 1706009. The reversal of 1706004 is 4006071.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 725904 = 990^2 + 852^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1706009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23659 + ... + 23730.

2^1706004 is an apocalyptic number.

It is an amenable number.

1706004 is an abundant number, since it is smaller than the sum of its proper divisors (2606486).

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

1706004 is a wasteful number, since it uses less digits than its factorization.

1706004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47399 (or 47394 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1706004 is about 1306.1408806097. The cubic root of 1706004 is about 119.4886575020.

The spelling of 1706004 in words is "one million, seven hundred six thousand, four".