1683361 has 4 divisors (see below), whose sum is σ = 1698372. Its totient is φ = 1668352.

The previous prime is 1683359. The next prime is 1683373. The reversal of 1683361 is 1633861.

1683361 = T₁₁₃ + T₁₁₄ + ... + T₂₂₅.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1633861 = 47 ⋅34763.

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 950625 = 856^2 + 975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683361 - 2¹ = 1683359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1680361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7336 + ... + 7561.

It is an arithmetic number, because the mean of its divisors is an integer number (424593).

2^1683361 is an apocalyptic number.

It is an amenable number.

1683361 is a deficient number, since it is larger than the sum of its proper divisors (15011).

1683361 is a wasteful number, since it uses less digits than its factorization.

1683361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15010.

The product of its digits is 2592, while the sum is 28.

The square root of 1683361 is about 1297.4440257676. Note that the first 3 decimals coincide. The cubic root of 1683361 is about 118.9576621273.

The spelling of 1683361 in words is "one million, six hundred eighty-three thousand, three hundred sixty-one".