334660385 has 8 divisors (see below), whose sum is σ = 425215656. Its totient is φ = 251979520.

The previous prime is 334660343. The next prime is 334660423. The reversal of 334660385 is 583066433.

It can be written as a sum of positive squares in 4 ways, for example, as 10804369 + 323856016 = 3287^2 + 17996^2 .

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

It is not a de Polignac number, because 334660385 - 2⁶ = 334660321 is a prime.

It is a super-2 number, since 2×334660385² = 223995146576696450, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1968506 + ... + 1968675.

It is an arithmetic number, because the mean of its divisors is an integer number (53151957).

Almost surely, 2^334660385 is an apocalyptic number.

It is an amenable number.

334660385 is a deficient number, since it is larger than the sum of its proper divisors (90555271).

334660385 is a wasteful number, since it uses less digits than its factorization.

334660385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937203.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 334660385 is about 18293.7252903830. The cubic root of 334660385 is about 694.2801822238.

The spelling of 334660385 in words is "three hundred thirty-four million, six hundred sixty thousand, three hundred eighty-five".