336640245 has 16 divisors (see below), whose sum is σ = 553182720. Its totient is φ = 174688704.

The previous prime is 336640237. The next prime is 336640267. The reversal of 336640245 is 542046633.

It is not a de Polignac number, because 336640245 - 2³ = 336640237 is a prime.

It is a super-2 number, since 2×336640245² = 226653309107320050, which contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 302725 + ... + 303834.

It is an arithmetic number, because the mean of its divisors is an integer number (34573920).

Almost surely, 2^336640245 is an apocalyptic number.

It is an amenable number.

336640245 is a deficient number, since it is larger than the sum of its proper divisors (216542475).

336640245 is a wasteful number, since it uses less digits than its factorization.

336640245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606604.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 336640245 is about 18347.7585824536. The cubic root of 336640245 is about 695.6466179875.

Adding to 336640245 its reverse (542046633), we get a palindrome (878686878).

The spelling of 336640245 in words is "three hundred thirty-six million, six hundred forty thousand, two hundred forty-five".