32261216 has 24 divisors (see below), whose sum is σ = 68400864. Its totient is φ = 14889600.

The previous prime is 32261197. The next prime is 32261231. The reversal of 32261216 is 61216223.

It is a junction number, because it is equal to n+sod(n) for n = 32261191 and 32261200.

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, 38360 + ... + 39191.

It is an arithmetic number, because the mean of its divisors is an integer number (2850036).

Almost surely, 2^32261216 is an apocalyptic number.

It is an amenable number.

32261216 is an abundant number, since it is smaller than the sum of its proper divisors (36139648).

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

32261216 is a wasteful number, since it uses less digits than its factorization.

32261216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77574 (or 77566 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 32261216 is about 5679.8957736916. The cubic root of 32261216 is about 318.3417340753.

Adding to 32261216 its reverse (61216223), we get a palindrome (93477439).

The spelling of 32261216 in words is "thirty-two million, two hundred sixty-one thousand, two hundred sixteen".