1933988 has 36 divisors (see below), whose sum is σ = 4126080. Its totient is φ = 776832.

The previous prime is 1933979. The next prime is 1933993. The reversal of 1933988 is 8893391.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7973 + ... + 8211.

2^1933988 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 1933988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063040).

1933988 is an abundant number, since it is smaller than the sum of its proper divisors (2192092).

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

1933988 is a wasteful number, since it uses less digits than its factorization.

1933988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 265 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 1933988 is about 1390.6789708628. The cubic root of 1933988 is about 124.5904033104.

The spelling of 1933988 in words is "one million, nine hundred thirty-three thousand, nine hundred eighty-eight".