4249618 has 8 divisors (see below), whose sum is σ = 6651648. Its totient is φ = 2032404.

The previous prime is 4249613. The next prime is 4249621. The reversal of 4249618 is 8169424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4² + 2¹³ + 4¹¹ + 9⁴ + 6⁵ + 1 + 8⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249613) 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 3 ways as a sum of consecutive naturals, for example, 46146 + ... + 46237.

It is an arithmetic number, because the mean of its divisors is an integer number (831456).

Almost surely, 2^4249618 is an apocalyptic number.

4249618 is a deficient number, since it is larger than the sum of its proper divisors (2402030).

4249618 is a wasteful number, since it uses less digits than its factorization.

4249618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92408.

The product of its digits is 13824, while the sum is 34.

The square root of 4249618 is about 2061.4601621181. The cubic root of 4249618 is about 161.9757368529.

The spelling of 4249618 in words is "four million, two hundred forty-nine thousand, six hundred eighteen".