1706404 has 12 divisors (see below), whose sum is σ = 3412864. Its totient is φ = 731304.

The previous prime is 1706399. The next prime is 1706417. The reversal of 1706404 is 4046071.

1706404 is an admirable number.

It is a super-2 number, since 2×1706404² = 5823629222432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30444 + ... + 30499.

2^1706404 is an apocalyptic number.

1706404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1706404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1706404 is a wasteful number, since it uses less digits than its factorization.

1706404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60954 (or 60952 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1706404 is about 1306.2939944744. The cubic root of 1706404 is about 119.4979954496.

The spelling of 1706404 in words is "one million, seven hundred six thousand, four hundred four".