32001340 has 24 divisors (see below), whose sum is σ = 76803552. Its totient is φ = 10971840.

The previous prime is 32001329. The next prime is 32001341. The reversal of 32001340 is 4310023.

It is a self number, because there is not a number n which added to its sum of digits gives 32001340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 114151 + ... + 114430.

It is an arithmetic number, because the mean of its divisors is an integer number (3200148).

Almost surely, 2^32001340 is an apocalyptic number.

It is an amenable number.

32001340 is an abundant number, since it is smaller than the sum of its proper divisors (44802212).

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

32001340 is a wasteful number, since it uses less digits than its factorization.

32001340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228597 (or 228595 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 32001340 is about 5656.9726886383. The cubic root of 32001340 is about 317.4846418264.

Adding to 32001340 its reverse (4310023), we get a palindrome (36311363).

The spelling of 32001340 in words is "thirty-two million, one thousand, three hundred forty".