342087928 has 128 divisors (see below), whose sum is σ = 824987520. Its totient is φ = 129392640.

The previous prime is 342087899. The next prime is 342087929. The reversal of 342087928 is 829780243.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342087929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2178826 + ... + 2178982.

It is an arithmetic number, because the mean of its divisors is an integer number (6445215).

Almost surely, 2^342087928 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 342087928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412493760).

342087928 is an abundant number, since it is smaller than the sum of its proper divisors (482899592).

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

342087928 is a wasteful number, since it uses less digits than its factorization.

342087928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 342087928 is about 18495.6191569788. The cubic root of 342087928 is about 699.3789920903.

The spelling of 342087928 in words is "three hundred forty-two million, eighty-seven thousand, nine hundred twenty-eight".