1982388 has 36 divisors (see below), whose sum is σ = 4841088. Its totient is φ = 630720.

The previous prime is 1982381. The next prime is 1982401. The reversal of 1982388 is 8832891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27120 + ... + 27192.

2^1982388 is an apocalyptic number.

It is an amenable number.

1982388 is an abundant number, since it is smaller than the sum of its proper divisors (2858700).

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

1982388 is a wasteful number, since it uses less digits than its factorization.

1982388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 109 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 1982388 is about 1407.9730111050. The cubic root of 1982388 is about 125.6211852509.

The spelling of 1982388 in words is "one million, nine hundred eighty-two thousand, three hundred eighty-eight".