342977056 has 72 divisors (see below), whose sum is σ = 735693840. Its totient is φ = 156954240.

The previous prime is 342977053. The next prime is 342977069. The reversal of 342977056 is 650779243.

342977056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×342977056³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (342977053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583995 + ... + 584581.

It is an arithmetic number, because the mean of its divisors is an integer number (10217970).

Almost surely, 2^342977056 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 342977056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367846920).

342977056 is an abundant number, since it is smaller than the sum of its proper divisors (392716784).

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

342977056 is a wasteful number, since it uses less digits than its factorization.

342977056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 342977056 is about 18519.6397373167. The cubic root of 342977056 is about 699.9843914887.

The spelling of 342977056 in words is "three hundred forty-two million, nine hundred seventy-seven thousand, fifty-six".