1883664 has 60 divisors (see below), whose sum is σ = 5364736. Its totient is φ = 616896.

The previous prime is 1883659. The next prime is 1883669. The reversal of 1883664 is 4663881.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1883659) and next prime (1883669).

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 not an unprimeable number, because it can be changed into a prime (1883669) 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, 14769 + ... + 14895.

2^1883664 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 1883664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682368).

1883664 is an abundant number, since it is smaller than the sum of its proper divisors (3481072).

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

1883664 is a wasteful number, since it uses less digits than its factorization.

1883664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 235 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1883664 is about 1372.4663930312. The cubic root of 1883664 is about 123.5002431330.

The spelling of 1883664 in words is "one million, eight hundred eighty-three thousand, six hundred sixty-four".