346257243 has 12 divisors (see below), whose sum is σ = 504825048. Its totient is φ = 228680160.

The previous prime is 346257221. The next prime is 346257257. The reversal of 346257243 is 342752643.

346257243 is a `hidden beast` number, since 3 + 4 + 625 + 7 + 24 + 3 = 666.

It is not a de Polignac number, because 346257243 - 2⁶ = 346257179 is a prime.

It is a super-2 number, since 2×346257243² = 239788156659922098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 346257198 and 346257207.

It is not an unprimeable number, because it can be changed into a prime (346257293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178818 + ... + 180743.

It is an arithmetic number, because the mean of its divisors is an integer number (42068754).

Almost surely, 2^346257243 is an apocalyptic number.

346257243 is a deficient number, since it is larger than the sum of its proper divisors (158567805).

346257243 is a wasteful number, since it uses less digits than its factorization.

346257243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359674 (or 359671 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 346257243 is about 18607.9886876578. The cubic root of 346257243 is about 702.2088343063.

The spelling of 346257243 in words is "three hundred forty-six million, two hundred fifty-seven thousand, two hundred forty-three".