348644133 has 6 divisors (see below), whose sum is σ = 503597094. Its totient is φ = 232429416.

The previous prime is 348644117. The next prime is 348644137. The reversal of 348644133 is 331446843.

It is a happy number.

348644133 is a `hidden beast` number, since 3 + 4 + 8 + 644 + 1 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 206152164 + 142491969 = 14358^2 + 11937^2 .

It is not a de Polignac number, because 348644133 - 2⁴ = 348644117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348644137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19369110 + ... + 19369127.

It is an arithmetic number, because the mean of its divisors is an integer number (83932849).

Almost surely, 2^348644133 is an apocalyptic number.

It is an amenable number.

348644133 is a deficient number, since it is larger than the sum of its proper divisors (154952961).

348644133 is a wasteful number, since it uses less digits than its factorization.

348644133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38738243 (or 38738240 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 348644133 is about 18672.0147011510. The cubic root of 348644133 is about 703.8186765340.

The spelling of 348644133 in words is "three hundred forty-eight million, six hundred forty-four thousand, one hundred thirty-three".