346885420 has 96 divisors (see below), whose sum is σ = 859815936. Its totient is φ = 115084800.

The previous prime is 346885417. The next prime is 346885523. The reversal of 346885420 is 24588643.

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 31 ways as a sum of consecutive naturals, for example, 1279885 + ... + 1280155.

It is an arithmetic number, because the mean of its divisors is an integer number (8956416).

Almost surely, 2^346885420 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 346885420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429907968).

346885420 is an abundant number, since it is smaller than the sum of its proper divisors (512930516).

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

346885420 is a wasteful number, since it uses less digits than its factorization.

346885420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 346885420 is about 18624.8602679322. The cubic root of 346885420 is about 702.6332249030.

It can be divided in two parts, 3468 and 85420, that added together give a palindrome (88888).

The spelling of 346885420 in words is "three hundred forty-six million, eight hundred eighty-five thousand, four hundred twenty".