1938336 has 48 divisors (see below), whose sum is σ = 5187168. Its totient is φ = 633600.

The previous prime is 1938317. The next prime is 1938359. The reversal of 1938336 is 6338391.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1938297 and 1938306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5691 + ... + 6021.

It is an arithmetic number, because the mean of its divisors is an integer number (108066).

2^1938336 is an apocalyptic number.

1938336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1938336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2593584).

1938336 is an abundant number, since it is smaller than the sum of its proper divisors (3248832).

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

1938336 is a wasteful number, since it uses less digits than its factorization.

1938336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 397 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 1938336 is about 1392.2413583858. The cubic root of 1938336 is about 124.6837016512.

The spelling of 1938336 in words is "one million, nine hundred thirty-eight thousand, three hundred thirty-six".