379658689 has 4 divisors (see below), whose sum is σ = 379697920. Its totient is φ = 379619460.

The previous prime is 379658659. The next prime is 379658711. The reversal of 379658689 is 986856973.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 986856973 = 3593 ⋅274661.

It is a cyclic number.

It is not a de Polignac number, because 379658689 - 2¹⁹ = 379134401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379658659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6424 + ... + 28294.

It is an arithmetic number, because the mean of its divisors is an integer number (94924480).

Almost surely, 2^379658689 is an apocalyptic number.

It is an amenable number.

379658689 is a deficient number, since it is larger than the sum of its proper divisors (39231).

379658689 is a wasteful number, since it uses less digits than its factorization.

379658689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39230.

The product of its digits is 19595520, while the sum is 61.

The square root of 379658689 is about 19484.8322805201. The cubic root of 379658689 is about 724.0987224587.

The spelling of 379658689 in words is "three hundred seventy-nine million, six hundred fifty-eight thousand, six hundred eighty-nine".