342256420 has 24 divisors (see below), whose sum is σ = 784078848. Its totient is φ = 124456800.

The previous prime is 342256373. The next prime is 342256429. The reversal of 342256420 is 24652243.

It is not an unprimeable number, because it can be changed into a prime (342256429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 777636 + ... + 778075.

It is an arithmetic number, because the mean of its divisors is an integer number (32669952).

Almost surely, 2^342256420 is an apocalyptic number.

It is an amenable number.

342256420 is an abundant number, since it is smaller than the sum of its proper divisors (441822428).

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

342256420 is a wasteful number, since it uses less digits than its factorization.

342256420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555731 (or 1555729 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 342256420 is about 18500.1735126998. The cubic root of 342256420 is about 699.4937972947.

The spelling of 342256420 in words is "three hundred forty-two million, two hundred fifty-six thousand, four hundred twenty".