32661424 has 40 divisors (see below), whose sum is σ = 67026960. Its totient is φ = 15391488.

The previous prime is 32661401. The next prime is 32661427. The reversal of 32661424 is 42416623.

It is a junction number, because it is equal to n+sod(n) for n = 32661392 and 32661401.

It is not an unprimeable number, because it can be changed into a prime (32661427) 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, 19134 + ... + 20770.

It is an arithmetic number, because the mean of its divisors is an integer number (1675674).

Almost surely, 2^32661424 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 32661424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33513480).

32661424 is an abundant number, since it is smaller than the sum of its proper divisors (34365536).

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

32661424 is a wasteful number, since it uses less digits than its factorization.

32661424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1711 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 32661424 is about 5715.0174102972. The cubic root of 32661424 is about 319.6526961156.

The spelling of 32661424 in words is "thirty-two million, six hundred sixty-one thousand, four hundred twenty-four".