342238421 has 8 divisors (see below), whose sum is σ = 391427904. Its totient is φ = 293123520.

The previous prime is 342238411. The next prime is 342238423. The reversal of 342238421 is 124832243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342238421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342238423) 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, 8435 + ... + 27488.

It is an arithmetic number, because the mean of its divisors is an integer number (48928488).

Almost surely, 2^342238421 is an apocalyptic number.

It is an amenable number.

342238421 is a deficient number, since it is larger than the sum of its proper divisors (49189483).

342238421 is a wasteful number, since it uses less digits than its factorization.

342238421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37291.

The product of its digits is 9216, while the sum is 29.

The square root of 342238421 is about 18499.6870514071. The cubic root of 342238421 is about 699.4815351341.

The spelling of 342238421 in words is "three hundred forty-two million, two hundred thirty-eight thousand, four hundred twenty-one".