348171640 has 32 divisors (see below), whose sum is σ = 784662480. Its totient is φ = 139041792.

The previous prime is 348171623. The next prime is 348171641. The reversal of 348171640 is 46171843.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 348171596 and 348171605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348171641) 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 7 ways as a sum of consecutive naturals, for example, 18952 + ... + 32488.

Almost surely, 2^348171640 is an apocalyptic number.

It is an amenable number.

348171640 is an abundant number, since it is smaller than the sum of its proper divisors (436490840).

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

348171640 is a wasteful number, since it uses less digits than its factorization.

348171640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191 (or 14187 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 348171640 is about 18659.3579739497. The cubic root of 348171640 is about 703.5005873932.

The spelling of 348171640 in words is "three hundred forty-eight million, one hundred seventy-one thousand, six hundred forty".