1889984 has 14 divisors (see below), whose sum is σ = 3750564. Its totient is φ = 944960.

The previous prime is 1889981. The next prime is 1889999. The reversal of 1889984 is 4899881.

It is not an unprimeable number, because it can be changed into a prime (1889981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14702 + ... + 14829.

2^1889984 is an apocalyptic number.

It is an amenable number.

1889984 is a deficient number, since it is larger than the sum of its proper divisors (1860580).

1889984 is an equidigital number, since it uses as much as digits as its factorization.

1889984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29543 (or 29533 counting only the distinct ones).

The product of its digits is 165888, while the sum is 47.

The square root of 1889984 is about 1374.7668893307. The cubic root of 1889984 is about 123.6382101014.

The spelling of 1889984 in words is "one million, eight hundred eighty-nine thousand, nine hundred eighty-four".