346443768 has 192 divisors, whose sum is σ = 1075576320. Its totient is φ = 99801600.

The previous prime is 346443767. The next prime is 346443793. The reversal of 346443768 is 867344643.

It is a Cunningham number, because it is equal to 18613²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346443761) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1526071 + ... + 1526297.

It is an arithmetic number, because the mean of its divisors is an integer number (5601960).

Almost surely, 2^346443768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346443768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537788160).

346443768 is an abundant number, since it is smaller than the sum of its proper divisors (729132552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

346443768 is a wasteful number, since it uses less digits than its factorization.

346443768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 331 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The square root of 346443768 is about 18612.9999731371. Note that the first 4 decimals coincide. The cubic root of 346443768 is about 702.3349024184.

The spelling of 346443768 in words is "three hundred forty-six million, four hundred forty-three thousand, seven hundred sixty-eight".