343420454 has 8 divisors (see below), whose sum is σ = 554756160. Its totient is φ = 158501736.

The previous prime is 343420439. The next prime is 343420499. The reversal of 343420454 is 454024343.

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

It is a super-2 number, since 2×343420454² = 235875216451132232, which contains 22 as substring.

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, 6604214 + ... + 6604265.

It is an arithmetic number, because the mean of its divisors is an integer number (69344520).

Almost surely, 2^343420454 is an apocalyptic number.

343420454 is a deficient number, since it is larger than the sum of its proper divisors (211335706).

343420454 is a wasteful number, since it uses less digits than its factorization.

343420454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13208494.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 343420454 is about 18531.6068920102. The cubic root of 343420454 is about 700.2859063384.

Adding to 343420454 its reverse (454024343), we get a palindrome (797444797).

The spelling of 343420454 in words is "three hundred forty-three million, four hundred twenty thousand, four hundred fifty-four".