348553856 has 128 divisors (see below), whose sum is σ = 859248000. Its totient is φ = 140292096.

The previous prime is 348553823. The next prime is 348553867. The reversal of 348553856 is 658355843.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 348553856.

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, 746135 + ... + 746601.

It is an arithmetic number, because the mean of its divisors is an integer number (6712875).

Almost surely, 2^348553856 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 348553856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429624000).

348553856 is an abundant number, since it is smaller than the sum of its proper divisors (510694144).

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

348553856 is an equidigital number, since it uses as much as digits as its factorization.

348553856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 493 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 47.

The square root of 348553856 is about 18669.5971033121. The cubic root of 348553856 is about 703.7579229674.

The spelling of 348553856 in words is "three hundred forty-eight million, five hundred fifty-three thousand, eight hundred fifty-six".