340720352 has 48 divisors (see below), whose sum is σ = 768654432. Its totient is φ = 145635840.

The previous prime is 340720337. The next prime is 340720363. The reversal of 340720352 is 253027043.

340720352 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92498 + ... + 96110.

It is an arithmetic number, because the mean of its divisors is an integer number (16013634).

Almost surely, 2^340720352 is an apocalyptic number.

340720352 is a gapful number since it is divisible by the number (32) 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 340720352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384327216).

340720352 is an abundant number, since it is smaller than the sum of its proper divisors (427934080).

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

340720352 is a wasteful number, since it uses less digits than its factorization.

340720352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051 (or 4043 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 340720352 is about 18458.6118654681. The cubic root of 340720352 is about 698.4457707035.

Adding to 340720352 its reverse (253027043), we get a palindrome (593747395).

The spelling of 340720352 in words is "three hundred forty million, seven hundred twenty thousand, three hundred fifty-two".