32040216 has 48 divisors (see below), whose sum is σ = 93453360. Its totient is φ = 9858240.

The previous prime is 32040209. The next prime is 32040247. The reversal of 32040216 is 61204023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16180 + ... + 18051.

It is an arithmetic number, because the mean of its divisors is an integer number (1946945).

Almost surely, 2^32040216 is an apocalyptic number.

32040216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

32040216 is an abundant number, since it is smaller than the sum of its proper divisors (61413144).

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

32040216 is a wasteful number, since it uses less digits than its factorization.

32040216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34256 (or 34249 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 32040216 is about 5660.4077591636. The cubic root of 32040216 is about 317.6131524690.

Adding to 32040216 its reverse (61204023), we get a palindrome (93244239).

The spelling of 32040216 in words is "thirty-two million, forty thousand, two hundred sixteen".