1884428 has 48 divisors (see below), whose sum is σ = 4214784. Its totient is φ = 717120.

The previous prime is 1884427. The next prime is 1884437. The reversal of 1884428 is 8244881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1884427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11201 + ... + 11367.

It is an arithmetic number, because the mean of its divisors is an integer number (87808).

2^1884428 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 1884428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2107392).

1884428 is an abundant number, since it is smaller than the sum of its proper divisors (2330356).

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

1884428 is a wasteful number, since it uses less digits than its factorization.

1884428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 220 counting only the distinct ones).

The product of its digits is 16384, while the sum is 35.

The square root of 1884428 is about 1372.7446958557. The cubic root of 1884428 is about 123.5169378005.

The spelling of 1884428 in words is "one million, eight hundred eighty-four thousand, four hundred twenty-eight".