348411861 has 20 divisors (see below), whose sum is σ = 594820512. Its totient is φ = 199092168.

The previous prime is 348411857. The next prime is 348411871. The reversal of 348411861 is 168114843.

It is a happy number.

348411861 is a `hidden beast` number, since 3 + 484 + 118 + 61 = 666.

It is not a de Polignac number, because 348411861 - 2² = 348411857 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348411841) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 306675 + ... + 307808.

Almost surely, 2^348411861 is an apocalyptic number.

It is an amenable number.

348411861 is a deficient number, since it is larger than the sum of its proper divisors (246408651).

348411861 is an equidigital number, since it uses as much as digits as its factorization.

348411861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614502 (or 614493 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 348411861 is about 18665.7938754289. The cubic root of 348411861 is about 703.6623435923.

The spelling of 348411861 in words is "three hundred forty-eight million, four hundred eleven thousand, eight hundred sixty-one".