4331988 has 24 divisors (see below), whose sum is σ = 11231360. Its totient is φ = 1443960.

The previous prime is 4331983. The next prime is 4331989. The reversal of 4331988 is 8891334.

It is a super-2 number, since 2×4331988² = 37532240064288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4331983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19948 + ... + 20163.

Almost surely, 2^4331988 is an apocalyptic number.

It is an amenable number.

4331988 is an abundant number, since it is smaller than the sum of its proper divisors (6899372).

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

4331988 is a wasteful number, since it uses less digits than its factorization.

4331988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40124 (or 40116 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4331988 is about 2081.3428357673. The cubic root of 4331988 is about 163.0155680364.

The spelling of 4331988 in words is "four million, three hundred thirty-one thousand, nine hundred eighty-eight".