379668647 has 4 divisors (see below), whose sum is σ = 379812840. Its totient is φ = 379524456.

The previous prime is 379668637. The next prime is 379668661. The reversal of 379668647 is 746866973.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 379668647 - 2¹⁴ = 379652263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 379668592 and 379668601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379668637) 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, 68072 + ... + 73437.

It is an arithmetic number, because the mean of its divisors is an integer number (94953210).

Almost surely, 2^379668647 is an apocalyptic number.

379668647 is a deficient number, since it is larger than the sum of its proper divisors (144193).

379668647 is a wasteful number, since it uses less digits than its factorization.

379668647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144192.

The product of its digits is 9144576, while the sum is 56.

The square root of 379668647 is about 19485.0878109389. The cubic root of 379668647 is about 724.1050531554.

The spelling of 379668647 in words is "three hundred seventy-nine million, six hundred sixty-eight thousand, six hundred forty-seven".