4393842 has 16 divisors (see below), whose sum is σ = 8975232. Its totient is φ = 1433360.

The previous prime is 4393817. The next prime is 4393849. The reversal of 4393842 is 2483934.

It is not an unprimeable number, because it can be changed into a prime (4393849) 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, 7509 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (560952).

Almost surely, 2^4393842 is an apocalyptic number.

4393842 is an abundant number, since it is smaller than the sum of its proper divisors (4581390).

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

4393842 is a wasteful number, since it uses less digits than its factorization.

4393842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15633.

The product of its digits is 20736, while the sum is 33.

The square root of 4393842 is about 2096.1493267418. The cubic root of 4393842 is about 163.7877732722.

The spelling of 4393842 in words is "four million, three hundred ninety-three thousand, eight hundred forty-two".