4999218 has 32 divisors (see below), whose sum is σ = 11739264. Its totient is φ = 1389312.

The previous prime is 4999217. The next prime is 4999231. The reversal of 4999218 is 8129994.

It is a super-2 number, since 2×4999218² = 49984361223048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4999218.

It is not an unprimeable number, because it can be changed into a prime (4999217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55 + ... + 3162.

It is an arithmetic number, because the mean of its divisors is an integer number (366852).

Almost surely, 2^4999218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4999218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5869632).

4999218 is an abundant number, since it is smaller than the sum of its proper divisors (6740046).

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

4999218 is a wasteful number, since it uses less digits than its factorization.

4999218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266.

The product of its digits is 46656, while the sum is 42.

The square root of 4999218 is about 2235.8931101464. The cubic root of 4999218 is about 170.9886795283.

The spelling of 4999218 in words is "four million, nine hundred ninety-nine thousand, two hundred eighteen".