1684094 has 4 divisors (see below), whose sum is σ = 2526144. Its totient is φ = 842046.

The previous prime is 1684091. The next prime is 1684097. The reversal of 1684094 is 4904861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4904861 = 13 ⋅377297.

It is an interprime number because it is at equal distance from previous prime (1684091) and next prime (1684097).

It is a self number, because there is not a number n which added to its sum of digits gives 1684094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421022 + ... + 421025.

It is an arithmetic number, because the mean of its divisors is an integer number (631536).

2^1684094 is an apocalyptic number.

1684094 is a deficient number, since it is larger than the sum of its proper divisors (842050).

1684094 is an equidigital number, since it uses as much as digits as its factorization.

1684094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842049.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1684094 is about 1297.7264734912. The cubic root of 1684094 is about 118.9749258660.

The spelling of 1684094 in words is "one million, six hundred eighty-four thousand, ninety-four".