2389632 has 96 divisors (see below), whose sum is σ = 7441920. Its totient is φ = 677376.

The previous prime is 2389619. The next prime is 2389633. The reversal of 2389632 is 2369832.

It is a tau number, because it is divible by the number of its divisors (96).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2389593 and 2389602.

It is not an unprimeable number, because it can be changed into a prime (2389633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18753 + ... + 18879.

It is an arithmetic number, because the mean of its divisors is an integer number (77520).

2^2389632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2389632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3720960).

2389632 is an abundant number, since it is smaller than the sum of its proper divisors (5052288).

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

2389632 is a wasteful number, since it uses less digits than its factorization.

2389632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 139 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 2389632 is about 1545.8434590863. The cubic root of 2389632 is about 133.6935150313.

It can be divided in two parts, 238 and 9632, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 2389632 in words is "two million, three hundred eighty-nine thousand, six hundred thirty-two".