346342556 has 48 divisors (see below), whose sum is σ = 724792320. Its totient is φ = 141588480.

The previous prime is 346342541. The next prime is 346342573. The reversal of 346342556 is 655243643.

It is a happy number.

It is a super-2 number, since 2×346342556² = 239906332193226272, which contains 22 as substring.

It is a congruent number.

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, 412385 + ... + 413223.

It is an arithmetic number, because the mean of its divisors is an integer number (15099840).

Almost surely, 2^346342556 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 346342556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362396160).

346342556 is an abundant number, since it is smaller than the sum of its proper divisors (378449764).

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

346342556 is a wasteful number, since it uses less digits than its factorization.

346342556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its digits is 259200, while the sum is 38.

The square root of 346342556 is about 18610.2809221140. The cubic root of 346342556 is about 702.2665010883.

The spelling of 346342556 in words is "three hundred forty-six million, three hundred forty-two thousand, five hundred fifty-six".