363981826 has 8 divisors (see below), whose sum is σ = 587970684. Its totient is φ = 167991600.

The previous prime is 363981823. The next prime is 363981853. The reversal of 363981826 is 628189363.

363981826 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 357247801 + 6734025 = 18901^2 + 2595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (363981823) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6999625 + ... + 6999676.

Almost surely, 2^363981826 is an apocalyptic number.

363981826 is a deficient number, since it is larger than the sum of its proper divisors (223988858).

363981826 is a wasteful number, since it uses less digits than its factorization.

363981826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13999316.

The product of its digits is 373248, while the sum is 46.

The square root of 363981826 is about 19078.3077341781. The cubic root of 363981826 is about 713.9918149328.

The spelling of 363981826 in words is "three hundred sixty-three million, nine hundred eighty-one thousand, eight hundred twenty-six".