342115420 has 12 divisors (see below), whose sum is σ = 718442424. Its totient is φ = 136846160.

The previous prime is 342115399. The next prime is 342115447. The reversal of 342115420 is 24511243.

It is a junction number, because it is equal to n+sod(n) for n = 342115391 and 342115400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8552866 + ... + 8552905.

It is an arithmetic number, because the mean of its divisors is an integer number (59870202).

Almost surely, 2^342115420 is an apocalyptic number.

It is an amenable number.

342115420 is an abundant number, since it is smaller than the sum of its proper divisors (376327004).

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

342115420 is a wasteful number, since it uses less digits than its factorization.

342115420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17105780 (or 17105778 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 342115420 is about 18496.3623450667. The cubic root of 342115420 is about 699.3977268567.

Adding to 342115420 its reverse (24511243), we get a palindrome (366626663).

The spelling of 342115420 in words is "three hundred forty-two million, one hundred fifteen thousand, four hundred twenty".