2391632 has 40 divisors (see below), whose sum is σ = 4958016. Its totient is φ = 1115136.

The previous prime is 2391629. The next prime is 2391637. The reversal of 2391632 is 2361932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24608 + ... + 24704.

2^2391632 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 2391632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479008).

2391632 is an abundant number, since it is smaller than the sum of its proper divisors (2566384).

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

2391632 is a wasteful number, since it uses less digits than its factorization.

2391632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 189 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 2391632 is about 1546.4902198204. The cubic root of 2391632 is about 133.7308028464.

The spelling of 2391632 in words is "two million, three hundred ninety-one thousand, six hundred thirty-two".