348936393906 has 12 divisors (see below), whose sum is σ = 756028853502. Its totient is φ = 116312131296.

The previous prime is 348936393877. The next prime is 348936393907. The reversal of 348936393906 is 609393639843.

348936393906 is a `hidden beast` number, since 3 + 489 + 3 + 63 + 9 + 3 + 90 + 6 = 666.

348936393906 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 346856213025 + 2080180881 = 588945^2 + 45609^2 .

It is not an unprimeable number, because it can be changed into a prime (348936393907) 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, 9692677591 + ... + 9692677626.

Almost surely, 2^348936393906 is an apocalyptic number.

348936393906 is an abundant number, since it is smaller than the sum of its proper divisors (407092459596).

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

348936393906 is a wasteful number, since it uses less digits than its factorization.

348936393906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19385355225 (or 19385355222 counting only the distinct ones).

The product of its (nonzero) digits is 68024448, while the sum is 63.

The spelling of 348936393906 in words is "three hundred forty-eight billion, nine hundred thirty-six million, three hundred ninety-three thousand, nine hundred six".