340054321 has 8 divisors (see below), whose sum is σ = 346198824. Its totient is φ = 333928320.

The previous prime is 340054291. The next prime is 340054327. The reversal of 340054321 is 123450043.

It can be written as a sum of positive squares in 4 ways, for example, as 9541921 + 330512400 = 3089^2 + 18180^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 340054321 - 2⁵ = 340054289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340054292 and 340054301.

It is not an unprimeable number, because it can be changed into a prime (340054327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35565 + ... + 44101.

It is an arithmetic number, because the mean of its divisors is an integer number (43274853).

Almost surely, 2^340054321 is an apocalyptic number.

It is an amenable number.

340054321 is a deficient number, since it is larger than the sum of its proper divisors (6144503).

340054321 is an equidigital number, since it uses as much as digits as its factorization.

340054321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9251.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 340054321 is about 18440.5618406815. The cubic root of 340054321 is about 697.9903728253.

The spelling of 340054321 in words is "three hundred forty million, fifty-four thousand, three hundred twenty-one".