346993 has 4 divisors (see below), whose sum is σ = 352240. Its totient is φ = 341748.

The previous prime is 346963. The next prime is 347003. The reversal of 346993 is 399643.

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 346993 - 2⁵ = 346961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346903) 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, 2523 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (88060).

2³⁴⁶⁹⁹³ is an apocalyptic number.

It is an amenable number.

346993 is a deficient number, since it is larger than the sum of its proper divisors (5247).

346993 is an equidigital number, since it uses as much as digits as its factorization.

346993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246.

The product of its digits is 17496, while the sum is 34.

The square root of 346993 is about 589.0611173724. The cubic root of 346993 is about 70.2705853563.

Subtracting 346993 from its reverse (399643), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 346993 in words is "three hundred forty-six thousand, nine hundred ninety-three".