363987229 has 2 divisors, whose sum is σ = 363987230. Its totient is φ = 363987228.

The previous prime is 363987191. The next prime is 363987233. The reversal of 363987229 is 922789363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256864729 + 107122500 = 16027^2 + 10350^2 .

It is an emirp because it is prime and its reverse (922789363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 363987229 - 2²⁵ = 330432797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (363987829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181993614 + 181993615.

It is an arithmetic number, because the mean of its divisors is an integer number (181993615).

Almost surely, 2^363987229 is an apocalyptic number.

It is an amenable number.

363987229 is a deficient number, since it is larger than the sum of its proper divisors (1).

363987229 is an equidigital number, since it uses as much as digits as its factorization.

363987229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 363987229 is about 19078.4493342619. The cubic root of 363987229 is about 713.9953477820.

The spelling of 363987229 in words is "three hundred sixty-three million, nine hundred eighty-seven thousand, two hundred twenty-nine".