346000320 has 336 divisors, whose sum is σ = 1300935168. Its totient is φ = 84049920.

The previous prime is 346000307. The next prime is 346000349. The reversal of 346000320 is 23000643.

346000320 is a `hidden beast` number, since 34 + 600 + 0 + 32 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 346000293 and 346000302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1811425 + ... + 1811615.

Almost surely, 2^346000320 is an apocalyptic number.

346000320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650467584).

346000320 is an abundant number, since it is smaller than the sum of its proper divisors (954934848).

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

346000320 is a wasteful number, since it uses less digits than its factorization.

346000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 346000320 is about 18601.0838393896. The cubic root of 346000320 is about 702.0351115952.

Adding to 346000320 its reverse (23000643), we get a palindrome (369000963).

The spelling of 346000320 in words is "three hundred forty-six million, three hundred twenty", and thus it is an aban number.