32630312 has 48 divisors (see below), whose sum is σ = 72450420. Its totient is φ = 13685760.

The previous prime is 32630309. The next prime is 32630333. The reversal of 32630312 is 21303623.

It can be written as a sum of positive squares in 2 ways, for example, as 31967716 + 662596 = 5654^2 + 814^2 .

It is a super-2 number, since 2×32630312² = 2129474522434688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11288 + ... + 13880.

Almost surely, 2^32630312 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 32630312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36225210).

32630312 is an abundant number, since it is smaller than the sum of its proper divisors (39820108).

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

32630312 is a wasteful number, since it uses less digits than its factorization.

32630312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 32630312 is about 5712.2948103192. The cubic root of 32630312 is about 319.5511676365.

Adding to 32630312 its reverse (21303623), we get a palindrome (53933935).

The spelling of 32630312 in words is "thirty-two million, six hundred thirty thousand, three hundred twelve".