388672379 has 8 divisors (see below), whose sum is σ = 409681680. Its totient is φ = 367718400.

The previous prime is 388672357. The next prime is 388672381. The reversal of 388672379 is 973276883.

It is a happy number.

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

It is not a de Polignac number, because 388672379 - 2¹⁶ = 388606843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 388672379.

It is not an unprimeable number, because it can be changed into a prime (388671379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019 + ... + 27899.

It is an arithmetic number, because the mean of its divisors is an integer number (51210210).

Almost surely, 2^388672379 is an apocalyptic number.

388672379 is a deficient number, since it is larger than the sum of its proper divisors (21009301).

388672379 is a wasteful number, since it uses less digits than its factorization.

388672379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27661.

The product of its digits is 3048192, while the sum is 53.

The square root of 388672379 is about 19714.7756517796. The cubic root of 388672379 is about 729.7843730444.

The spelling of 388672379 in words is "three hundred eighty-eight million, six hundred seventy-two thousand, three hundred seventy-nine".