32127428 has 6 divisors (see below), whose sum is σ = 56223006. Its totient is φ = 16063712.

The previous prime is 32127421. The next prime is 32127437. The reversal of 32127428 is 82472123.

It can be written as a sum of positive squares in only one way, i.e., 31561924 + 565504 = 5618^2 + 752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32127428.

It is not an unprimeable number, because it can be changed into a prime (32127421) 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 as a sum of consecutive naturals, namely, 4015925 + ... + 4015932.

It is an arithmetic number, because the mean of its divisors is an integer number (9370501).

Almost surely, 2^32127428 is an apocalyptic number.

It is an amenable number.

32127428 is a deficient number, since it is larger than the sum of its proper divisors (24095578).

32127428 is a wasteful number, since it uses less digits than its factorization.

32127428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031861 (or 8031859 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 32127428 is about 5668.1062093084. The cubic root of 32127428 is about 317.9010675460.

The spelling of 32127428 in words is "thirty-two million, one hundred twenty-seven thousand, four hundred twenty-eight".