1684341 has 8 divisors (see below), whose sum is σ = 2495360. Its totient is φ = 1122876.

The previous prime is 1684337. The next prime is 1684373. The reversal of 1684341 is 1434861.

It is not a de Polignac number, because 1684341 - 2² = 1684337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 62383 = 1684341 / (1 + 6 + 8 + 4 + 3 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684301) 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 in 7 ways as a sum of consecutive naturals, for example, 31165 + ... + 31218.

It is an arithmetic number, because the mean of its divisors is an integer number (311920).

2^1684341 is an apocalyptic number.

It is an amenable number.

1684341 is a deficient number, since it is larger than the sum of its proper divisors (811019).

1684341 is an equidigital number, since it uses as much as digits as its factorization.

1684341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62392 (or 62386 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1684341 is about 1297.8216364355. The cubic root of 1684341 is about 118.9807421229.

It can be divided in two parts, 1684 and 341, that added together give a square (2025 = 45²).

The spelling of 1684341 in words is "one million, six hundred eighty-four thousand, three hundred forty-one".