345994 has 8 divisors (see below), whose sum is σ = 566208. Its totient is φ = 157260.

The previous prime is 345979. The next prime is 345997. The reversal of 345994 is 499543.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345997) 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, 7842 + ... + 7885.

It is an arithmetic number, because the mean of its divisors is an integer number (70776).

2³⁴⁵⁹⁹⁴ is an apocalyptic number.

345994 is a deficient number, since it is larger than the sum of its proper divisors (220214).

345994 is a wasteful number, since it uses less digits than its factorization.

345994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15740.

The product of its digits is 19440, while the sum is 34.

The square root of 345994 is about 588.2125466190. The cubic root of 345994 is about 70.2030837140.

It can be divided in two parts, 3459 and 94, that added together give a palindrome (3553).

The spelling of 345994 in words is "three hundred forty-five thousand, nine hundred ninety-four".