6239988 has 72 divisors (see below), whose sum is σ = 16816800. Its totient is φ = 1947456.

The previous prime is 6239957. The next prime is 6240001. The reversal of 6239988 is 8899326.

Its product of digits (186624) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44823 + ... + 44961.

Almost surely, 2^6239988 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 6239988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8408400).

6239988 is an abundant number, since it is smaller than the sum of its proper divisors (10576812).

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

6239988 is a wasteful number, since it uses less digits than its factorization.

6239988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 216 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 6239988 is about 2497.9967974359. The cubic root of 6239988 is about 184.1031636353.

It can be divided in two parts, 6239 and 988, that added together give a palindrome (7227).

The spelling of 6239988 in words is "six million, two hundred thirty-nine thousand, nine hundred eighty-eight".