334654321 has 2 divisors, whose sum is σ = 334654322. Its totient is φ = 334654320.

The previous prime is 334654267. The next prime is 334654361. The reversal of 334654321 is 123456433.

334654321 = 12935² + 12936².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167340096 + 167314225 = 12936^2 + 12935^2 .

It is a cyclic number.

It is not a de Polignac number, because 334654321 - 2⁷ = 334654193 is a prime.

It is a super-2 number, since 2×334654321² = 223987029127942082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (334654361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167327160 + 167327161.

It is an arithmetic number, because the mean of its divisors is an integer number (167327161).

Almost surely, 2^334654321 is an apocalyptic number.

334654321 is the 12936-th centered square number.

It is an amenable number.

334654321 is a deficient number, since it is larger than the sum of its proper divisors (1).

334654321 is an equidigital number, since it uses as much as digits as its factorization.

334654321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

The square root of 334654321 is about 18293.5595497432. The cubic root of 334654321 is about 694.2759887781.

The spelling of 334654321 in words is "three hundred thirty-four million, six hundred fifty-four thousand, three hundred twenty-one".