342914921 has 4 divisors (see below), whose sum is σ = 343488000. Its totient is φ = 342341844.

The previous prime is 342914909. The next prime is 342914933. The reversal of 342914921 is 129419243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (342914909) and next prime (342914933).

It is a cyclic number.

It is not a de Polignac number, because 342914921 - 2¹⁴ = 342898537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342914951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285641 + ... + 286838.

It is an arithmetic number, because the mean of its divisors is an integer number (85872000).

Almost surely, 2^342914921 is an apocalyptic number.

It is an amenable number.

342914921 is a deficient number, since it is larger than the sum of its proper divisors (573079).

342914921 is an equidigital number, since it uses as much as digits as its factorization.

342914921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573078.

The product of its digits is 15552, while the sum is 35.

The square root of 342914921 is about 18517.9621179006. The cubic root of 342914921 is about 699.9421183433.

The spelling of 342914921 in words is "three hundred forty-two million, nine hundred fourteen thousand, nine hundred twenty-one".