339420840 has 128 divisors (see below), whose sum is σ = 1134673920. Its totient is φ = 80518400.

The previous prime is 339420839. The next prime is 339420847. The reversal of 339420840 is 48024933.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (339420847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59305 + ... + 64775.

It is an arithmetic number, because the mean of its divisors is an integer number (8864640).

Almost surely, 2^339420840 is an apocalyptic number.

339420840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 339420840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567336960).

339420840 is an abundant number, since it is smaller than the sum of its proper divisors (795253080).

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

339420840 is a wasteful number, since it uses less digits than its factorization.

339420840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543 (or 5539 counting only the distinct ones).

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

The square root of 339420840 is about 18423.3775405054. The cubic root of 339420840 is about 697.5566788900.

The spelling of 339420840 in words is "three hundred thirty-nine million, four hundred twenty thousand, eight hundred forty".