346870 has 8 divisors (see below), whose sum is σ = 624384. Its totient is φ = 138744.

The previous prime is 346867. The next prime is 346873. The reversal of 346870 is 78643.

It is an interprime number because it is at equal distance from previous prime (346867) and next prime (346873).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17334 + ... + 17353.

It is an arithmetic number, because the mean of its divisors is an integer number (78048).

2³⁴⁶⁸⁷⁰ is an apocalyptic number.

346870 is a deficient number, since it is larger than the sum of its proper divisors (277514).

346870 is a wasteful number, since it uses less digits than its factorization.

346870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34694.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 346870 is about 588.9567046906. The cubic root of 346870 is about 70.2622813430.

The spelling of 346870 in words is "three hundred forty-six thousand, eight hundred seventy".