32649316 has 48 divisors (see below), whose sum is σ = 69866496. Its totient is φ = 13031424.

The previous prime is 32649311. The next prime is 32649317. The reversal of 32649316 is 61394623.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (32649311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53485 + ... + 54091.

It is an arithmetic number, because the mean of its divisors is an integer number (1455552).

Almost surely, 2^32649316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32649316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34933248).

32649316 is an abundant number, since it is smaller than the sum of its proper divisors (37217180).

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

32649316 is a wasteful number, since it uses less digits than its factorization.

32649316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 32649316 is about 5713.9579977455. The cubic root of 32649316 is about 319.6131914775.

The spelling of 32649316 in words is "thirty-two million, six hundred forty-nine thousand, three hundred sixteen".