334660397 has 4 divisors (see below), whose sum is σ = 339244860. Its totient is φ = 330075936.

The previous prime is 334660343. The next prime is 334660423. The reversal of 334660397 is 793066433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238208356 + 96452041 = 15434^2 + 9821^2 .

It is a cyclic number.

It is not a de Polignac number, because 334660397 - 2⁸ = 334660141 is a prime.

It is a super-2 number, since 2×334660397² = 223995162640395218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334660307) 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, 2292122 + ... + 2292267.

It is an arithmetic number, because the mean of its divisors is an integer number (84811215).

Almost surely, 2^334660397 is an apocalyptic number.

It is an amenable number.

334660397 is a deficient number, since it is larger than the sum of its proper divisors (4584463).

334660397 is an equidigital number, since it uses as much as digits as its factorization.

334660397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584462.

The product of its (nonzero) digits is 244944, while the sum is 41.

The square root of 334660397 is about 18293.7256183643. The cubic root of 334660397 is about 694.2801905222.

The spelling of 334660397 in words is "three hundred thirty-four million, six hundred sixty thousand, three hundred ninety-seven".