363940387 has 2 divisors, whose sum is σ = 363940388. Its totient is φ = 363940386.

The previous prime is 363940337. The next prime is 363940429. The reversal of 363940387 is 783049363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 363940387 - 2¹⁹ = 363416099 is a prime.

It is not a weakly prime, because it can be changed into another prime (363940327) 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 as a sum of consecutive naturals, namely, 181970193 + 181970194.

It is an arithmetic number, because the mean of its divisors is an integer number (181970194).

Almost surely, 2^363940387 is an apocalyptic number.

363940387 is a deficient number, since it is larger than the sum of its proper divisors (1).

363940387 is an equidigital number, since it uses as much as digits as its factorization.

363940387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 363940387 is about 19077.2216792698. The cubic root of 363940387 is about 713.9647181315.

The spelling of 363940387 in words is "three hundred sixty-three million, nine hundred forty thousand, three hundred eighty-seven".