4518988 has 6 divisors (see below), whose sum is σ = 7908236. Its totient is φ = 2259492.

The previous prime is 4518967. The next prime is 4518989. The reversal of 4518988 is 8898154.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4518989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564870 + ... + 564877.

Almost surely, 2^4518988 is an apocalyptic number.

It is an amenable number.

4518988 is a deficient number, since it is larger than the sum of its proper divisors (3389248).

4518988 is a wasteful number, since it uses less digits than its factorization.

4518988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129751 (or 1129749 counting only the distinct ones).

The product of its digits is 92160, while the sum is 43.

The square root of 4518988 is about 2125.7911468439. The cubic root of 4518988 is about 165.3282476901.

The spelling of 4518988 in words is "four million, five hundred eighteen thousand, nine hundred eighty-eight".