346449360 has 80 divisors (see below), whose sum is σ = 1077252480. Its totient is φ = 92106240.

The previous prime is 346449329. The next prime is 346449419. The reversal of 346449360 is 63944643.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84150 + ... + 88170.

It is an arithmetic number, because the mean of its divisors is an integer number (13465656).

Almost surely, 2^346449360 is an apocalyptic number.

346449360 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 346449360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538626240).

346449360 is an abundant number, since it is smaller than the sum of its proper divisors (730803120).

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

346449360 is a wasteful number, since it uses less digits than its factorization.

346449360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 346449360 is about 18613.1501901210. The cubic root of 346449360 is about 702.3386812286.

The spelling of 346449360 in words is "three hundred forty-six million, four hundred forty-nine thousand, three hundred sixty".