339397440 has 224 divisors, whose sum is σ = 1136782080. Its totient is φ = 85671936.

The previous prime is 339397439. The next prime is 339397451. The reversal of 339397440 is 44793933.

It is a junction number, because it is equal to n+sod(n) for n = 339397392 and 339397401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2032237 + ... + 2032403.

It is an arithmetic number, because the mean of its divisors is an integer number (5074920).

Almost surely, 2^339397440 is an apocalyptic number.

339397440 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 339397440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568391040).

339397440 is an abundant number, since it is smaller than the sum of its proper divisors (797384640).

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

339397440 is a wasteful number, since it uses less digits than its factorization.

339397440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 339397440 is about 18422.7424668533. The cubic root of 339397440 is about 697.5406484449.

The spelling of 339397440 in words is "three hundred thirty-nine million, three hundred ninety-seven thousand, four hundred forty".