439247340 has 192 divisors, whose sum is σ = 1616025600. Its totient is φ = 96913152.

The previous prime is 439247329. The next prime is 439247357. The reversal of 439247340 is 43742934.

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

It is a junction number, because it is equal to n+sod(n) for n = 439247295 and 439247304.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107617 + ... + 111623.

It is an arithmetic number, because the mean of its divisors is an integer number (8416800).

Almost surely, 2^439247340 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 439247340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808012800).

439247340 is an abundant number, since it is smaller than the sum of its proper divisors (1176778260).

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

439247340 is a wasteful number, since it uses less digits than its factorization.

439247340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061 (or 4053 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 439247340 is about 20958.2284556687. The cubic root of 439247340 is about 760.1565582365.

The spelling of 439247340 in words is "four hundred thirty-nine million, two hundred forty-seven thousand, three hundred forty".