4231988 has 12 divisors (see below), whose sum is σ = 7516992. Its totient is φ = 2084280.

The previous prime is 4231967. The next prime is 4231991. The reversal of 4231988 is 8891324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7628 + ... + 8163.

It is an arithmetic number, because the mean of its divisors is an integer number (626416).

Almost surely, 2^4231988 is an apocalyptic number.

It is an amenable number.

4231988 is a deficient number, since it is larger than the sum of its proper divisors (3285004).

4231988 is a wasteful number, since it uses less digits than its factorization.

4231988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862 (or 15860 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 4231988 is about 2057.1796226873. The cubic root of 4231988 is about 161.7514350974.

The spelling of 4231988 in words is "four million, two hundred thirty-one thousand, nine hundred eighty-eight".