348503681 has 12 divisors (see below), whose sum is σ = 371674800. Its totient is φ = 325871208.

The previous prime is 348503677. The next prime is 348503707. The reversal of 348503681 is 186305843.

It is not a de Polignac number, because 348503681 - 2² = 348503677 is a prime.

It is a super-2 number, since 2×348503681² = 242909631341099522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348503651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117110 + ... + 120048.

It is an arithmetic number, because the mean of its divisors is an integer number (30972900).

Almost surely, 2^348503681 is an apocalyptic number.

It is an amenable number.

348503681 is a deficient number, since it is larger than the sum of its proper divisors (23171119).

348503681 is an equidigital number, since it uses as much as digits as its factorization.

348503681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 348503681 is about 18668.2532926892. The cubic root of 348503681 is about 703.7241522433.

The spelling of 348503681 in words is "three hundred forty-eight million, five hundred three thousand, six hundred eighty-one".