389829379 has 4 divisors (see below), whose sum is σ = 389869480. Its totient is φ = 389789280.

The previous prime is 389829367. The next prime is 389829449. The reversal of 389829379 is 973928983.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 973928983 = 1249 ⋅779767.

It is a cyclic number.

It is not a de Polignac number, because 389829379 - 2⁵ = 389829347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389829359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4792 + ... + 28330.

It is an arithmetic number, because the mean of its divisors is an integer number (97467370).

Almost surely, 2^389829379 is an apocalyptic number.

389829379 is a deficient number, since it is larger than the sum of its proper divisors (40101).

389829379 is a wasteful number, since it uses less digits than its factorization.

389829379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40100.

The product of its digits is 5878656, while the sum is 58.

The square root of 389829379 is about 19744.0973204652. The cubic root of 389829379 is about 730.5077964357.

The spelling of 389829379 in words is "three hundred eighty-nine million, eight hundred twenty-nine thousand, three hundred seventy-nine".