2389866328 has 8 divisors (see below), whose sum is σ = 4480999380. Its totient is φ = 1194933160.

The previous prime is 2389866289. The next prime is 2389866377. The reversal of 2389866328 is 8236689832.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2389866328² = 11422922131416407168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 149366638 + ... + 149366653.

Almost surely, 2^2389866328 is an apocalyptic number.

It is an amenable number.

2389866328 is a deficient number, since it is larger than the sum of its proper divisors (2091133052).

2389866328 is a wasteful number, since it uses less digits than its factorization.

2389866328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298733297 (or 298733293 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 55.

The square root of 2389866328 is about 48886.2590918962. The cubic root of 2389866328 is about 1336.9788489667.

The spelling of 2389866328 in words is "two billion, three hundred eighty-nine million, eight hundred sixty-six thousand, three hundred twenty-eight".