32816916 has 72 divisors (see below), whose sum is σ = 91728000. Its totient is φ = 9809280.

The previous prime is 32816899. The next prime is 32816923. The reversal of 32816916 is 61961823.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30760 + ... + 31808.

It is an arithmetic number, because the mean of its divisors is an integer number (1274000).

Almost surely, 2^32816916 is an apocalyptic number.

32816916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32816916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45864000).

32816916 is an abundant number, since it is smaller than the sum of its proper divisors (58911084).

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

32816916 is a wasteful number, since it uses less digits than its factorization.

32816916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1144 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 32816916 is about 5728.6050658079. The cubic root of 32816916 is about 320.1591526029.

The spelling of 32816916 in words is "thirty-two million, eight hundred sixteen thousand, nine hundred sixteen".