336668687 has 4 divisors (see below), whose sum is σ = 351306480. Its totient is φ = 322030896.

The previous prime is 336668669. The next prime is 336668693. The reversal of 336668687 is 786866633.

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

It is a cyclic number.

It is not a de Polignac number, because 336668687 - 2⁶ = 336668623 is a prime.

It is a super-2 number, since 2×336668687² = 226691609612607938, 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 (336668617) 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, 7318862 + ... + 7318907.

It is an arithmetic number, because the mean of its divisors is an integer number (87826620).

Almost surely, 2^336668687 is an apocalyptic number.

336668687 is a deficient number, since it is larger than the sum of its proper divisors (14637793).

336668687 is a wasteful number, since it uses less digits than its factorization.

336668687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14637792.

The product of its digits is 5225472, while the sum is 53.

The square root of 336668687 is about 18348.5336471338. The cubic root of 336668687 is about 695.6662086576. Note that the first 3 decimals are identical.

The spelling of 336668687 in words is "three hundred thirty-six million, six hundred sixty-eight thousand, six hundred eighty-seven".