1884421 has 8 divisors (see below), whose sum is σ = 2349504. Its totient is φ = 1468320.

The previous prime is 1884409. The next prime is 1884427. The reversal of 1884421 is 1244881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1884421 - 2⁷ = 1884293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1884421.

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 7 ways as a sum of consecutive naturals, for example, 12160 + ... + 12313.

It is an arithmetic number, because the mean of its divisors is an integer number (293688).

2^1884421 is an apocalyptic number.

1884421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1884421 is a deficient number, since it is larger than the sum of its proper divisors (465083).

1884421 is a wasteful number, since it uses less digits than its factorization.

1884421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24491.

The product of its digits is 2048, while the sum is 28.

The square root of 1884421 is about 1372.7421462168. The cubic root of 1884421 is about 123.5167848594.

The spelling of 1884421 in words is "one million, eight hundred eighty-four thousand, four hundred twenty-one".