339780420 has 360 divisors, whose sum is σ = 1301154624. Its totient is φ = 72690048.

The previous prime is 339780409. The next prime is 339780433. The reversal of 339780420 is 24087933.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4093699 + ... + 4093781.

Almost surely, 2^339780420 is an apocalyptic number.

339780420 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 339780420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650577312).

339780420 is an abundant number, since it is smaller than the sum of its proper divisors (961374204).

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

339780420 is a wasteful number, since it uses less digits than its factorization.

339780420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 339780420 is about 18433.1337541938. The cubic root of 339780420 is about 697.8029207999.

The spelling of 339780420 in words is "three hundred thirty-nine million, seven hundred eighty thousand, four hundred twenty".