28201376 has 24 divisors (see below), whose sum is σ = 63453600. Its totient is φ = 12086208.

The previous prime is 28201373. The next prime is 28201387. The reversal of 28201376 is 67310282.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28201373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62726 + ... + 63173.

It is an arithmetic number, because the mean of its divisors is an integer number (2643900).

Almost surely, 2^28201376 is an apocalyptic number.

It is an amenable number.

28201376 is an abundant number, since it is smaller than the sum of its proper divisors (35252224).

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

28201376 is a wasteful number, since it uses less digits than its factorization.

28201376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125916 (or 125908 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 28201376 is about 5310.4967752556. The cubic root of 28201376 is about 304.3851305329.

The spelling of 28201376 in words is "twenty-eight million, two hundred one thousand, three hundred seventy-six".