4339840 has 32 divisors (see below), whose sum is σ = 10376460. Its totient is φ = 1735680.

The previous prime is 4339823. The next prime is 4339843. The reversal of 4339840 is 489334.

It can be written as a sum of positive squares in 2 ways, for example, as 4293184 + 46656 = 2072^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×4339840² = 37668422451200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4339843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751 + ... + 4030.

Almost surely, 2^4339840 is an apocalyptic number.

4339840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4339840 is an abundant number, since it is smaller than the sum of its proper divisors (6036620).

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

4339840 is an equidigital number, since it uses as much as digits as its factorization.

4339840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800 (or 6788 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 4339840 is about 2083.2282640172. The cubic root of 4339840 is about 163.1140005697.

The spelling of 4339840 in words is "four million, three hundred thirty-nine thousand, eight hundred forty".