342355420 has 48 divisors (see below), whose sum is σ = 789199488. Its totient is φ = 123716160.

The previous prime is 342355393. The next prime is 342355441. The reversal of 342355420 is 24553243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31087 + ... + 40633.

It is an arithmetic number, because the mean of its divisors is an integer number (16441656).

Almost surely, 2^342355420 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 342355420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394599744).

342355420 is an abundant number, since it is smaller than the sum of its proper divisors (446844068).

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

342355420 is a wasteful number, since it uses less digits than its factorization.

342355420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730 (or 9728 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 342355420 is about 18502.8489698208. The cubic root of 342355420 is about 699.5612352408.

The spelling of 342355420 in words is "three hundred forty-two million, three hundred fifty-five thousand, four hundred twenty".