348912861 has 16 divisors (see below), whose sum is σ = 507824640. Its totient is φ = 211331120.

The previous prime is 348912859. The next prime is 348912871. The reversal of 348912861 is 168219843.

It is not a de Polignac number, because 348912861 - 2¹ = 348912859 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348912821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91960 + ... + 95678.

It is an arithmetic number, because the mean of its divisors is an integer number (31739040).

Almost surely, 2^348912861 is an apocalyptic number.

It is an amenable number.

348912861 is a deficient number, since it is larger than the sum of its proper divisors (158911779).

348912861 is a wasteful number, since it uses less digits than its factorization.

348912861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576.

The product of its digits is 82944, while the sum is 42.

The square root of 348912861 is about 18679.2093248082. The cubic root of 348912861 is about 703.9994599309. Note that the first 3 decimals are identical.

The spelling of 348912861 in words is "three hundred forty-eight million, nine hundred twelve thousand, eight hundred sixty-one".