346138884 has 288 divisors, whose sum is σ = 1164334080. Its totient is φ = 84167424.

The previous prime is 346138873. The next prime is 346138909. The reversal of 346138884 is 488831643.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4170307 + ... + 4170389.

Almost surely, 2^346138884 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 346138884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582167040).

346138884 is an abundant number, since it is smaller than the sum of its proper divisors (818195196).

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

346138884 is a wasteful number, since it uses less digits than its factorization.

346138884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 194 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 346138884 is about 18604.8080882335. The cubic root of 346138884 is about 702.1288146015.

The spelling of 346138884 in words is "three hundred forty-six million, one hundred thirty-eight thousand, eight hundred eighty-four".