339320128 has 56 divisors (see below), whose sum is σ = 775208000. Its totient is φ = 144350208.

The previous prime is 339320117. The next prime is 339320131. The reversal of 339320128 is 821023933.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 339320128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59548 + ... + 64996.

It is an arithmetic number, because the mean of its divisors is an integer number (13843000).

Almost surely, 2^339320128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 339320128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387604000).

339320128 is an abundant number, since it is smaller than the sum of its proper divisors (435887872).

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

339320128 is a wasteful number, since it uses less digits than its factorization.

339320128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607 (or 5597 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 339320128 is about 18420.6440712587. The cubic root of 339320128 is about 697.4876797111.

The spelling of 339320128 in words is "three hundred thirty-nine million, three hundred twenty thousand, one hundred twenty-eight".