32401056 has 24 divisors (see below), whose sum is σ = 85053024. Its totient is φ = 10800320.

The previous prime is 32401051. The next prime is 32401067. The reversal of 32401056 is 65010423.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (32401051) 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 3 ways as a sum of consecutive naturals, for example, 168660 + ... + 168851.

It is an arithmetic number, because the mean of its divisors is an integer number (3543876).

Almost surely, 2^32401056 is an apocalyptic number.

It is an amenable number.

32401056 is an abundant number, since it is smaller than the sum of its proper divisors (52651968).

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

32401056 is a wasteful number, since it uses less digits than its factorization.

32401056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337524 (or 337516 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 32401056 is about 5692.1925476920. The cubic root of 32401056 is about 318.8010341969.

Adding to 32401056 its reverse (65010423), we get a palindrome (97411479).

The spelling of 32401056 in words is "thirty-two million, four hundred one thousand, fifty-six".