346490784 has 96 divisors (see below), whose sum is σ = 1023281280. Its totient is φ = 115473600.

The previous prime is 346490773. The next prime is 346490803. The reversal of 346490784 is 487094643.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67509 + ... + 72459.

It is an arithmetic number, because the mean of its divisors is an integer number (10659180).

Almost surely, 2^346490784 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 346490784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511640640).

346490784 is an abundant number, since it is smaller than the sum of its proper divisors (676790496).

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

346490784 is an frugal number, since it uses more digits than its factorization.

346490784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982 (or 4956 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 346490784 is about 18614.2629185257. The cubic root of 346490784 is about 702.3666723497.

The spelling of 346490784 in words is "three hundred forty-six million, four hundred ninety thousand, seven hundred eighty-four".