342321420 has 96 divisors (see below), whose sum is σ = 1143088128. Its totient is φ = 74840832.

The previous prime is 342321383. The next prime is 342321449. The reversal of 342321420 is 24123243.

342321420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 8059 + ... + 27378.

It is an arithmetic number, because the mean of its divisors is an integer number (11907168).

Almost surely, 2^342321420 is an apocalyptic number.

342321420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342321420 is an abundant number, since it is smaller than the sum of its proper divisors (800766708).

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

342321420 is a wasteful number, since it uses less digits than its factorization.

342321420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35479 (or 35477 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 342321420 is about 18501.9301695796. The cubic root of 342321420 is about 699.5380762000.

Adding to 342321420 its reverse (24123243), we get a palindrome (366444663).

The spelling of 342321420 in words is "three hundred forty-two million, three hundred twenty-one thousand, four hundred twenty".