1984388 has 24 divisors (see below), whose sum is σ = 4006464. Its totient is φ = 842400.

The previous prime is 1984363. The next prime is 1984397. The reversal of 1984388 is 8834891.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3398 + ... + 3938.

It is an arithmetic number, because the mean of its divisors is an integer number (166936).

2^1984388 is an apocalyptic number.

It is an amenable number.

1984388 is an abundant number, since it is smaller than the sum of its proper divisors (2022076).

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

1984388 is a wasteful number, since it uses less digits than its factorization.

1984388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 681 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 1984388 is about 1408.6830729444. The cubic root of 1984388 is about 125.6634167962.

The spelling of 1984388 in words is "one million, nine hundred eighty-four thousand, three hundred eighty-eight".