363968641 has 4 divisors (see below), whose sum is σ = 372433072. Its totient is φ = 355504212.

The previous prime is 363968621. The next prime is 363968677. The reversal of 363968641 is 146869363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 363968641 - 2⁵ = 363968609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 363968591 and 363968600.

It is not an unprimeable number, because it can be changed into a prime (363968621) 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, 4232151 + ... + 4232236.

It is an arithmetic number, because the mean of its divisors is an integer number (93108268).

Almost surely, 2^363968641 is an apocalyptic number.

It is an amenable number.

363968641 is a deficient number, since it is larger than the sum of its proper divisors (8464431).

363968641 is an equidigital number, since it uses as much as digits as its factorization.

363968641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464430.

The product of its digits is 559872, while the sum is 46.

The square root of 363968641 is about 19077.9621815329. The cubic root of 363968641 is about 713.9831935356.

The spelling of 363968641 in words is "three hundred sixty-three million, nine hundred sixty-eight thousand, six hundred forty-one".