348027857 has 4 divisors (see below), whose sum is σ = 348081216. Its totient is φ = 347974500.

The previous prime is 348027851. The next prime is 348027877. The reversal of 348027857 is 758720843.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 348027857 - 2¹⁴ = 348011473 is a prime.

It is a super-2 number, since 2×348027857² = 242246778496024898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348027851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15269 + ... + 30482.

It is an arithmetic number, because the mean of its divisors is an integer number (87020304).

Almost surely, 2^348027857 is an apocalyptic number.

It is an amenable number.

348027857 is a deficient number, since it is larger than the sum of its proper divisors (53359).

348027857 is an equidigital number, since it uses as much as digits as its factorization.

348027857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53358.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 348027857 is about 18655.5047372083. The cubic root of 348027857 is about 703.4037334850.

The spelling of 348027857 in words is "three hundred forty-eight million, twenty-seven thousand, eight hundred fifty-seven".