32090216 has 16 divisors (see below), whose sum is σ = 60994500. Its totient is φ = 15825024.

The previous prime is 32090197. The next prime is 32090243. The reversal of 32090216 is 61209023.

It can be written as a sum of positive squares in 2 ways, for example, as 31967716 + 122500 = 5654^2 + 350^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32090191 and 32090200.

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, 26891 + ... + 28058.

Almost surely, 2^32090216 is an apocalyptic number.

It is an amenable number.

32090216 is a deficient number, since it is larger than the sum of its proper divisors (28904284).

32090216 is a wasteful number, since it uses less digits than its factorization.

32090216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55028 (or 55024 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 32090216 is about 5664.8226803670. The cubic root of 32090216 is about 317.7782824834.

Adding to 32090216 its reverse (61209023), we get a palindrome (93299239).

The spelling of 32090216 in words is "thirty-two million, ninety thousand, two hundred sixteen".