32209996 has 48 divisors (see below), whose sum is σ = 70108416. Its totient is φ = 12608064.

The previous prime is 32209979. The next prime is 32209999. The reversal of 32209996 is 69990223.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (32209999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38535 + ... + 39361.

It is an arithmetic number, because the mean of its divisors is an integer number (1460592).

Almost surely, 2^32209996 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 32209996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35054208).

32209996 is an abundant number, since it is smaller than the sum of its proper divisors (37898420).

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

32209996 is a wasteful number, since it uses less digits than its factorization.

32209996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 32209996 is about 5675.3850970661. The cubic root of 32209996 is about 318.1731715053.

The spelling of 32209996 in words is "thirty-two million, two hundred nine thousand, nine hundred ninety-six".