342002420 has 12 divisors (see below), whose sum is σ = 718205124. Its totient is φ = 136800960.

The previous prime is 342002393. The next prime is 342002431. The reversal of 342002420 is 24200243.

It can be written as a sum of positive squares in 2 ways, for example, as 215619856 + 126382564 = 14684^2 + 11242^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8550041 + ... + 8550080.

It is an arithmetic number, because the mean of its divisors is an integer number (59850427).

Almost surely, 2^342002420 is an apocalyptic number.

It is an amenable number.

342002420 is an abundant number, since it is smaller than the sum of its proper divisors (376202704).

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

342002420 is a wasteful number, since it uses less digits than its factorization.

342002420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17100130 (or 17100128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 342002420 is about 18493.3074380977. The cubic root of 342002420 is about 699.3207151802.

Adding to 342002420 its reverse (24200243), we get a palindrome (366202663).

The spelling of 342002420 in words is "three hundred forty-two million, two thousand, four hundred twenty".