339405420 has 24 divisors (see below), whose sum is σ = 950335344. Its totient is φ = 90508096.

The previous prime is 339405419. The next prime is 339405427. The reversal of 339405420 is 24504933.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (339405427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2828319 + ... + 2828438.

It is an arithmetic number, because the mean of its divisors is an integer number (39597306).

Almost surely, 2^339405420 is an apocalyptic number.

339405420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

339405420 is an abundant number, since it is smaller than the sum of its proper divisors (610929924).

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

339405420 is a wasteful number, since it uses less digits than its factorization.

339405420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656769 (or 5656767 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 339405420 is about 18422.9590457125. The cubic root of 339405420 is about 697.5461153205.

The spelling of 339405420 in words is "three hundred thirty-nine million, four hundred five thousand, four hundred twenty".