342278872 has 16 divisors (see below), whose sum is σ = 691140240. Its totient is φ = 157974816.

The previous prime is 342278861. The next prime is 342278887. The reversal of 342278872 is 278872243.

It is a happy number.

342278872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1645468 + ... + 1645675.

It is an arithmetic number, because the mean of its divisors is an integer number (43196265).

Almost surely, 2^342278872 is an apocalyptic number.

It is an amenable number.

342278872 is an abundant number, since it is smaller than the sum of its proper divisors (348861368).

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

342278872 is a wasteful number, since it uses less digits than its factorization.

342278872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291162 (or 3291158 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 342278872 is about 18500.7803078681. The cubic root of 342278872 is about 699.5090925436.

The spelling of 342278872 in words is "three hundred forty-two million, two hundred seventy-eight thousand, eight hundred seventy-two".