4523988 has 24 divisors (see below), whose sum is σ = 12064192. Its totient is φ = 1292544.

The previous prime is 4523969. The next prime is 4523993. The reversal of 4523988 is 8893254.

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 7 ways as a sum of consecutive naturals, for example, 26845 + ... + 27012.

Almost surely, 2^4523988 is an apocalyptic number.

It is an amenable number.

4523988 is an abundant number, since it is smaller than the sum of its proper divisors (7540204).

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

4523988 is a wasteful number, since it uses less digits than its factorization.

4523988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53871 (or 53869 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 4523988 is about 2126.9668544667. The cubic root of 4523988 is about 165.3892006106.

The spelling of 4523988 in words is "four million, five hundred twenty-three thousand, nine hundred eighty-eight".