342999828 has 72 divisors (see below), whose sum is σ = 919691136. Its totient is φ = 107553600.

The previous prime is 342999827. The next prime is 342999847. The reversal of 342999828 is 828999243.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342999821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47113 + ... + 53903.

It is an arithmetic number, because the mean of its divisors is an integer number (12773488).

Almost surely, 2^342999828 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 342999828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459845568).

342999828 is an abundant number, since it is smaller than the sum of its proper divisors (576691308).

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

342999828 is a wasteful number, since it uses less digits than its factorization.

342999828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885 (or 6880 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 342999828 is about 18520.2545338880. The cubic root of 342999828 is about 699.9998829932. Note that the first 3 decimals are identical.

The spelling of 342999828 in words is "three hundred forty-two million, nine hundred ninety-nine thousand, eight hundred twenty-eight".