346663343 has 4 divisors (see below), whose sum is σ = 373329768. Its totient is φ = 319996920.

The previous prime is 346663333. The next prime is 346663351. The reversal of 346663343 is 343366643.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343366643 = 16603 ⋅20681.

It is a cyclic number.

It is not a de Polignac number, because 346663343 - 2⁸ = 346663087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346663297 and 346663306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346663333) 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, 13333193 + ... + 13333218.

It is an arithmetic number, because the mean of its divisors is an integer number (93332442).

Almost surely, 2^346663343 is an apocalyptic number.

346663343 is a deficient number, since it is larger than the sum of its proper divisors (26666425).

346663343 is a wasteful number, since it uses less digits than its factorization.

346663343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26666424.

The product of its digits is 279936, while the sum is 38.

The square root of 346663343 is about 18618.8974700437. The cubic root of 346663343 is about 702.4832503194.

The spelling of 346663343 in words is "three hundred forty-six million, six hundred sixty-three thousand, three hundred forty-three".