4218498 has 12 divisors (see below), whose sum is σ = 9140118. Its totient is φ = 1406160.

The previous prime is 4218497. The next prime is 4218509. The reversal of 4218498 is 8948124.

It can be written as a sum of positive squares in only one way, i.e., 3122289 + 1096209 = 1767^2 + 1047^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4218497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117163 + ... + 117198.

Almost surely, 2^4218498 is an apocalyptic number.

4218498 is an abundant number, since it is smaller than the sum of its proper divisors (4921620).

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

4218498 is a wasteful number, since it uses less digits than its factorization.

4218498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234369 (or 234366 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 4218498 is about 2053.8982448018. The cubic root of 4218498 is about 161.5793843992.

The spelling of 4218498 in words is "four million, two hundred eighteen thousand, four hundred ninety-eight".