342684840 has 32 divisors (see below), whose sum is σ = 1028054880. Its totient is φ = 91382592.

The previous prime is 342684809. The next prime is 342684841. The reversal of 342684840 is 48486243.

It is not an unprimeable number, because it can be changed into a prime (342684841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427734 + ... + 1427973.

It is an arithmetic number, because the mean of its divisors is an integer number (32126715).

Almost surely, 2^342684840 is an apocalyptic number.

342684840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342684840 is an abundant number, since it is smaller than the sum of its proper divisors (685370040).

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

342684840 is a wasteful number, since it uses less digits than its factorization.

342684840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855721 (or 2855717 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 342684840 is about 18511.7487018380. The cubic root of 342684840 is about 699.7855397443.

The spelling of 342684840 in words is "three hundred forty-two million, six hundred eighty-four thousand, eight hundred forty".