4218494 has 16 divisors (see below), whose sum is σ = 7612800. Its totient is φ = 1712664.

The previous prime is 4218469. The next prime is 4218497. The reversal of 4218494 is 4948124.

It is a self number, because there is not a number n which added to its sum of digits gives 4218494.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 7664 + ... + 8195.

It is an arithmetic number, because the mean of its divisors is an integer number (475800).

Almost surely, 2^4218494 is an apocalyptic number.

4218494 is a deficient number, since it is larger than the sum of its proper divisors (3394306).

4218494 is a wasteful number, since it uses less digits than its factorization.

4218494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15887.

The product of its digits is 9216, while the sum is 32.

The square root of 4218494 is about 2053.8972710435. The cubic root of 4218494 is about 161.5793333291.

The spelling of 4218494 in words is "four million, two hundred eighteen thousand, four hundred ninety-four".