342858816 has 84 divisors (see below), whose sum is σ = 992105712. Its totient is φ = 113197824.

The previous prime is 342858811. The next prime is 342858821. The reversal of 342858816 is 618858243.

342858816 is a `hidden beast` number, since 34 + 28 + 588 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (342858811) and next prime (342858821).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (342858811) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 58851 + ... + 64413.

Almost surely, 2^342858816 is an apocalyptic number.

342858816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342858816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496052856).

342858816 is an abundant number, since it is smaller than the sum of its proper divisors (649246896).

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

342858816 is a wasteful number, since it uses less digits than its factorization.

342858816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688 (or 5675 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 342858816 is about 18516.4471754168. The cubic root of 342858816 is about 699.9039432819.

The spelling of 342858816 in words is "three hundred forty-two million, eight hundred fifty-eight thousand, eight hundred sixteen".