336895661 has 2 divisors, whose sum is σ = 336895662. Its totient is φ = 336895660.

The previous prime is 336895649. The next prime is 336895673. The reversal of 336895661 is 166598633.

It is a balanced prime because it is at equal distance from previous prime (336895649) and next prime (336895673).

It can be written as a sum of positive squares in only one way, i.e., 266016100 + 70879561 = 16310^2 + 8419^2 .

It is a cyclic number.

It is not a de Polignac number, because 336895661 - 2⁶ = 336895597 is a prime.

It is a super-2 number, since 2×336895661² = 226997372801253842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336895961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168447830 + 168447831.

It is an arithmetic number, because the mean of its divisors is an integer number (168447831).

Almost surely, 2^336895661 is an apocalyptic number.

It is an amenable number.

336895661 is a deficient number, since it is larger than the sum of its proper divisors (1).

336895661 is an equidigital number, since it uses as much as digits as its factorization.

336895661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 47.

The square root of 336895661 is about 18354.7176769353. The cubic root of 336895661 is about 695.8225073945.

The spelling of 336895661 in words is "three hundred thirty-six million, eight hundred ninety-five thousand, six hundred sixty-one".