32051916 has 96 divisors (see below), whose sum is σ = 92057280. Its totient is φ = 9580032.

The previous prime is 32051893. The next prime is 32051933. The reversal of 32051916 is 61915023.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 32051916.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51640 + ... + 52256.

It is an arithmetic number, because the mean of its divisors is an integer number (958930).

Almost surely, 2^32051916 is an apocalyptic number.

32051916 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 32051916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46028640).

32051916 is an abundant number, since it is smaller than the sum of its proper divisors (60005364).

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

32051916 is a wasteful number, since it uses less digits than its factorization.

32051916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 32051916 is about 5661.4411592809. The cubic root of 32051916 is about 317.6518082805.

Adding to 32051916 its reverse (61915023), we get a palindrome (93966939).

The spelling of 32051916 in words is "thirty-two million, fifty-one thousand, nine hundred sixteen".