348040128 has 56 divisors (see below), whose sum is σ = 922485328. Its totient is φ = 115808256.

The previous prime is 348040127. The next prime is 348040139. The reversal of 348040128 is 821040843.

It is a super-2 number, since 2×348040128² = 242263861396512768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 348040095 and 348040104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348040127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139500 + ... + 141972.

Almost surely, 2^348040128 is an apocalyptic number.

It is an amenable number.

348040128 is an abundant number, since it is smaller than the sum of its proper divisors (574445200).

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

348040128 is a wasteful number, since it uses less digits than its factorization.

348040128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3211 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 348040128 is about 18655.8336184690. The cubic root of 348040128 is about 703.4120004150.

The spelling of 348040128 in words is "three hundred forty-eight million, forty thousand, one hundred twenty-eight".