389247848 has 16 divisors (see below), whose sum is σ = 796188960. Its totient is φ = 176930800.

The previous prime is 389247821. The next prime is 389247857. The reversal of 389247848 is 848742983.

It is a happy number.

It is a super-2 number, since 2×389247848² = 303027774345262208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 389247848.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211548 + ... + 2211723.

It is an arithmetic number, because the mean of its divisors is an integer number (49761810).

Almost surely, 2^389247848 is an apocalyptic number.

It is an amenable number.

389247848 is an abundant number, since it is smaller than the sum of its proper divisors (406941112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389247848 is a wasteful number, since it uses less digits than its factorization.

389247848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423288 (or 4423284 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The square root of 389247848 is about 19729.3651190301. The cubic root of 389247848 is about 730.1443687698.

The spelling of 389247848 in words is "three hundred eighty-nine million, two hundred forty-seven thousand, eight hundred forty-eight".