1693944 has 48 divisors (see below), whose sum is σ = 5244720. Its totient is φ = 483840.

The previous prime is 1693943. The next prime is 1693957. The reversal of 1693944 is 4493961.

1693944 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1693899 and 1693908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1177 + ... + 2184.

It is an arithmetic number, because the mean of its divisors is an integer number (109265).

2^1693944 is an apocalyptic number.

1693944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1693944 is an abundant number, since it is smaller than the sum of its proper divisors (3550776).

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

1693944 is a wasteful number, since it uses less digits than its factorization.

1693944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380 (or 3373 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1693944 is about 1301.5160390867. The cubic root of 1693944 is about 119.2064302944.

The spelling of 1693944 in words is "one million, six hundred ninety-three thousand, nine hundred forty-four".