4218370 has 32 divisors (see below), whose sum is σ = 8407728. Its totient is φ = 1513728.

The previous prime is 4218359. The next prime is 4218371. The reversal of 4218370 is 738124.

It can be written as a sum of positive squares in 8 ways, for example, as 2732409 + 1485961 = 1653^2 + 1219^2 .

It is not an unprimeable number, because it can be changed into a prime (4218371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4372 + ... + 5248.

Almost surely, 2^4218370 is an apocalyptic number.

4218370 is a deficient number, since it is larger than the sum of its proper divisors (4189358).

4218370 is a wasteful number, since it uses less digits than its factorization.

4218370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4218370 is about 2053.8670843071. The cubic root of 4218370 is about 161.5777501390.

The spelling of 4218370 in words is "four million, two hundred eighteen thousand, three hundred seventy".