2129632 has 24 divisors (see below), whose sum is σ = 4265352. Its totient is φ = 1046400.

The previous prime is 2129627. The next prime is 2129671. The reversal of 2129632 is 2369212.

It is a happy 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 = 2129597 and 2129606.

It is a congruent number.

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, 1407 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (177723).

2^2129632 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 2129632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132676).

2129632 is an abundant number, since it is smaller than the sum of its proper divisors (2135720).

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

2129632 is a wasteful number, since it uses less digits than its factorization.

2129632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1154 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 2129632 is about 1459.3258717641. The cubic root of 2129632 is about 128.6574248898.

It can be divided in two parts, 21296 and 32, that multiplied together give a cube (681472 = 88³).

The spelling of 2129632 in words is "two million, one hundred twenty-nine thousand, six hundred thirty-two".