348820740 has 72 divisors (see below), whose sum is σ = 1066490880. Its totient is φ = 92280384.

The previous prime is 348820723. The next prime is 348820741. The reversal of 348820740 is 47028843.

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 = 348820695 and 348820704.

It is not an unprimeable number, because it can be changed into a prime (348820741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15231 + ... + 30489.

Almost surely, 2^348820740 is an apocalyptic number.

348820740 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 348820740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533245440).

348820740 is an abundant number, since it is smaller than the sum of its proper divisors (717670140).

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

348820740 is a wasteful number, since it uses less digits than its factorization.

348820740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15401 (or 15396 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 348820740 is about 18676.7432921267. The cubic root of 348820740 is about 703.9374971413.

The spelling of 348820740 in words is "three hundred forty-eight million, eight hundred twenty thousand, seven hundred forty".