2389861332 has 18 divisors (see below), whose sum is σ = 6041038458. Its totient is φ = 796620432.

The previous prime is 2389861307. The next prime is 2389861337. The reversal of 2389861332 is 2331689832.

2389861332 is a `hidden beast` number, since 23 + 8 + 9 + 8 + 613 + 3 + 2 = 666.

2389861332 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1978826256 + 411035076 = 44484^2 + 20274^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2389861332² = 11422874372377628448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389861337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33192483 + ... + 33192554.

Almost surely, 2^2389861332 is an apocalyptic number.

It is an amenable number.

2389861332 is an abundant number, since it is smaller than the sum of its proper divisors (3651177126).

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

2389861332 is a wasteful number, since it uses less digits than its factorization.

2389861332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66385047 (or 66385042 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 2389861332 is about 48886.2079936663. The cubic root of 2389861332 is about 1336.9779173175.

The spelling of 2389861332 in words is "two billion, three hundred eighty-nine million, eight hundred sixty-one thousand, three hundred thirty-two".