4391242 has 16 divisors (see below), whose sum is σ = 7032960. Its totient is φ = 2050272.

The previous prime is 4391227. The next prime is 4391249. The reversal of 4391242 is 2421934.

It is not an unprimeable number, because it can be changed into a prime (4391249) 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 7 ways as a sum of consecutive naturals, for example, 1983 + ... + 3565.

It is an arithmetic number, because the mean of its divisors is an integer number (439560).

Almost surely, 2^4391242 is an apocalyptic number.

4391242 is a deficient number, since it is larger than the sum of its proper divisors (2641718).

4391242 is a wasteful number, since it uses less digits than its factorization.

4391242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its digits is 1728, while the sum is 25.

The square root of 4391242 is about 2095.5290501446. The cubic root of 4391242 is about 163.7554604554.

It can be divided in two parts, 439 and 1242, that added together give a square (1681 = 41²).

The spelling of 4391242 in words is "four million, three hundred ninety-one thousand, two hundred forty-two".