336998881 has 2 divisors, whose sum is σ = 336998882. Its totient is φ = 336998880.

The previous prime is 336998833. The next prime is 336998887. The reversal of 336998881 is 188899633.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208947025 + 128051856 = 14455^2 + 11316^2 .

It is a cyclic number.

It is not a de Polignac number, because 336998881 - 2¹¹ = 336996833 is a prime.

It is a super-2 number, since 2×336998881² = 227136491590504322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (336998887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168499440 + 168499441.

It is an arithmetic number, because the mean of its divisors is an integer number (168499441).

Almost surely, 2^336998881 is an apocalyptic number.

It is an amenable number.

336998881 is a deficient number, since it is larger than the sum of its proper divisors (1).

336998881 is an equidigital number, since it uses as much as digits as its factorization.

336998881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 55.

The square root of 336998881 is about 18357.5292727535. The cubic root of 336998881 is about 695.8935634846.

The spelling of 336998881 in words is "three hundred thirty-six million, nine hundred ninety-eight thousand, eight hundred eighty-one".