1684084 has 12 divisors (see below), whose sum is σ = 3102400. Its totient is φ = 797688.

The previous prime is 1684079. The next prime is 1684091. The reversal of 1684084 is 4804861.

It is a super-2 number, since 2×1684084² = 5672277838112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11004 + ... + 11155.

2^1684084 is an apocalyptic number.

It is an amenable number.

1684084 is a deficient number, since it is larger than the sum of its proper divisors (1418316).

1684084 is a wasteful number, since it uses less digits than its factorization.

1684084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22182 (or 22180 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1684084 is about 1297.7226205935. The cubic root of 1684084 is about 118.9746903780.

It can be divided in two parts, 16 and 84084, that added together give a square (84100 = 290²).

The spelling of 1684084 in words is "one million, six hundred eighty-four thousand, eighty-four".