336204989 has 2 divisors, whose sum is σ = 336204990. Its totient is φ = 336204988.

The previous prime is 336204929. The next prime is 336205027. The reversal of 336204989 is 989402633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204919225 + 131285764 = 14315^2 + 11458^2 .

It is an emirp because it is prime and its reverse (989402633) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 336204989 - 2²⁰ = 335156413 is a prime.

It is a super-2 number, since 2×336204989² = 226067589256980242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336204929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168102494 + 168102495.

It is an arithmetic number, because the mean of its divisors is an integer number (168102495).

Almost surely, 2^336204989 is an apocalyptic number.

It is an amenable number.

336204989 is a deficient number, since it is larger than the sum of its proper divisors (1).

336204989 is an equidigital number, since it uses as much as digits as its factorization.

336204989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 336204989 is about 18335.8934606416. The cubic root of 336204989 is about 695.3466786539.

The spelling of 336204989 in words is "three hundred thirty-six million, two hundred four thousand, nine hundred eighty-nine".