1683392 has 28 divisors (see below), whose sum is σ = 3459480. Its totient is φ = 811776.

The previous prime is 1683373. The next prime is 1683397. The reversal of 1683392 is 2933861.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 6⁸ + 8³ + 3⁵ + 3⁵ + 9³ + 2¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683397) by changing a digit.

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, 1403 + ... + 2309.

2^1683392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1683392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729740).

1683392 is an abundant number, since it is smaller than the sum of its proper divisors (1776088).

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

1683392 is an equidigital number, since it uses as much as digits as its factorization.

1683392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 938 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 1683392 is about 1297.4559722781. The cubic root of 1683392 is about 118.9583923460.

The spelling of 1683392 in words is "one million, six hundred eighty-three thousand, three hundred ninety-two".