348857656 has 72 divisors (see below), whose sum is σ = 776086920. Its totient is φ = 146579328.

The previous prime is 348857633. The next prime is 348857657. The reversal of 348857656 is 656758843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348857657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2088885 + ... + 2089051.

It is an arithmetic number, because the mean of its divisors is an integer number (10778985).

Almost surely, 2^348857656 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 348857656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388043460).

348857656 is an abundant number, since it is smaller than the sum of its proper divisors (427229264).

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

348857656 is a wasteful number, since it uses less digits than its factorization.

348857656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 249 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The square root of 348857656 is about 18677.7315539120. The cubic root of 348857656 is about 703.9623290363.

The spelling of 348857656 in words is "three hundred forty-eight million, eight hundred fifty-seven thousand, six hundred fifty-six".