339628040 has 128 divisors (see below), whose sum is σ = 863654400. Its totient is φ = 119439360.

The previous prime is 339628027. The next prime is 339628043. The reversal of 339628040 is 40826933.

It is a happy number.

It is a Cunningham number, because it is equal to 18429²-1.

It is not an unprimeable number, because it can be changed into a prime (339628043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1253105 + ... + 1253375.

It is an arithmetic number, because the mean of its divisors is an integer number (6747300).

Almost surely, 2^339628040 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 339628040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431827200).

339628040 is an abundant number, since it is smaller than the sum of its proper divisors (524026360).

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

339628040 is a wasteful number, since it uses less digits than its factorization.

339628040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 339628040 is about 18428.9999728688. Note that the first 4 decimals coincide. The cubic root of 339628040 is about 697.6985915507.

The spelling of 339628040 in words is "three hundred thirty-nine million, six hundred twenty-eight thousand, forty".