1916832 has 48 divisors (see below), whose sum is σ = 5164992. Its totient is φ = 622080.

The previous prime is 1916809. The next prime is 1916833. The reversal of 1916832 is 2386191.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1916832.

It is not an unprimeable number, because it can be changed into a prime (1916833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3693 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (107604).

2^1916832 is an apocalyptic number.

1916832 is a gapful number since it is divisible by the number (12) 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 1916832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2582496).

1916832 is an abundant number, since it is smaller than the sum of its proper divisors (3248160).

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

1916832 is a wasteful number, since it uses less digits than its factorization.

1916832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 533 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 1916832 is about 1384.4970205818. The cubic root of 1916832 is about 124.2209034910.

The spelling of 1916832 in words is "one million, nine hundred sixteen thousand, eight hundred thirty-two".