4342440 has 32 divisors (see below), whose sum is σ = 13027680. Its totient is φ = 1157952.

The previous prime is 4342439. The next prime is 4342453. The reversal of 4342440 is 442434.

It is an unprimeable number.

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, 17974 + ... + 18213.

It is an arithmetic number, because the mean of its divisors is an integer number (407115).

Almost surely, 2^4342440 is an apocalyptic number.

4342440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4342440 is an abundant number, since it is smaller than the sum of its proper divisors (8685240).

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

4342440 is a wasteful number, since it uses less digits than its factorization.

4342440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36201 (or 36197 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4342440 is about 2083.8522020527. The cubic root of 4342440 is about 163.1465679560.

Adding to 4342440 its reverse (442434), we get a palindrome (4784874).

The spelling of 4342440 in words is "four million, three hundred forty-two thousand, four hundred forty".