389379283 has 4 divisors (see below), whose sum is σ = 392951680. Its totient is φ = 385806888.

The previous prime is 389379269. The next prime is 389379301. The reversal of 389379283 is 382973983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389379283 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 389379283.

It is not an unprimeable number, because it can be changed into a prime (389359283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786035 + ... + 1786252.

It is an arithmetic number, because the mean of its divisors is an integer number (98237920).

Almost surely, 2^389379283 is an apocalyptic number.

389379283 is a deficient number, since it is larger than the sum of its proper divisors (3572397).

389379283 is a wasteful number, since it uses less digits than its factorization.

389379283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572396.

The product of its digits is 1959552, while the sum is 52.

The square root of 389379283 is about 19732.6957864353. The cubic root of 389379283 is about 730.2265406869.

The spelling of 389379283 in words is "three hundred eighty-nine million, three hundred seventy-nine thousand, two hundred eighty-three".