342509420 has 48 divisors (see below), whose sum is σ = 785949696. Its totient is φ = 124344000.

The previous prime is 342509411. The next prime is 342509423. The reversal of 342509420 is 24905243.

It is not an unprimeable number, because it can be changed into a prime (342509423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217235 + ... + 218805.

It is an arithmetic number, because the mean of its divisors is an integer number (16373952).

Almost surely, 2^342509420 is an apocalyptic number.

It is an amenable number.

342509420 is an abundant number, since it is smaller than the sum of its proper divisors (443440276).

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

342509420 is a wasteful number, since it uses less digits than its factorization.

342509420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 342509420 is about 18507.0100232317. The cubic root of 342509420 is about 699.6661128761. Note that the first 3 decimals are identical.

The spelling of 342509420 in words is "three hundred forty-two million, five hundred nine thousand, four hundred twenty".