346804224 has 156 divisors (see below), whose sum is σ = 1007296416. Its totient is φ = 106070016.

The previous prime is 346804187. The next prime is 346804229. The reversal of 346804224 is 422408643.

It is a tau number, because it is divible by the number of its divisors (156).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346804229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2076589 + ... + 2076755.

Almost surely, 2^346804224 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 346804224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503648208).

346804224 is an abundant number, since it is smaller than the sum of its proper divisors (660492192).

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

346804224 is a wasteful number, since it uses less digits than its factorization.

346804224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 346804224 is about 18622.6803656187. The cubic root of 346804224 is about 702.5783984810.

The spelling of 346804224 in words is "three hundred forty-six million, eight hundred four thousand, two hundred twenty-four".