348911840 has 96 divisors (see below), whose sum is σ = 875266560. Its totient is φ = 131152384.

The previous prime is 348911809. The next prime is 348911869. The reversal of 348911840 is 48119843.

It is a junction number, because it is equal to n+sod(n) for n = 348911794 and 348911803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216317 + ... + 217923.

It is an arithmetic number, because the mean of its divisors is an integer number (9117360).

Almost surely, 2^348911840 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 348911840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437633280).

348911840 is an abundant number, since it is smaller than the sum of its proper divisors (526354720).

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

348911840 is a wasteful number, since it uses less digits than its factorization.

348911840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 348911840 is about 18679.1819949376. The cubic root of 348911840 is about 703.9987732417.

The spelling of 348911840 in words is "three hundred forty-eight million, nine hundred eleven thousand, eight hundred forty".