346774446 has 80 divisors (see below), whose sum is σ = 808055424. Its totient is φ = 111068496.

The previous prime is 346774399. The next prime is 346774451. The reversal of 346774446 is 644477643.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 466351 + ... + 467093.

Almost surely, 2^346774446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346774446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404027712).

346774446 is an abundant number, since it is smaller than the sum of its proper divisors (461280978).

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

346774446 is a wasteful number, since it uses less digits than its factorization.

346774446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 858 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 45.

The square root of 346774446 is about 18621.8808394856. The cubic root of 346774446 is about 702.5582891735.

The spelling of 346774446 in words is "three hundred forty-six million, seven hundred seventy-four thousand, four hundred forty-six".