28761376 has 24 divisors (see below), whose sum is σ = 64713600. Its totient is φ = 12326208.

The previous prime is 28761371. The next prime is 28761391. The reversal of 28761376 is 67316782.

It is not an unprimeable number, because it can be changed into a prime (28761371) 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, 63976 + ... + 64423.

It is an arithmetic number, because the mean of its divisors is an integer number (2696400).

Almost surely, 2^28761376 is an apocalyptic number.

It is an amenable number.

28761376 is an abundant number, since it is smaller than the sum of its proper divisors (35952224).

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

28761376 is a wasteful number, since it uses less digits than its factorization.

28761376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128416 (or 128408 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 28761376 is about 5362.9633599345. The cubic root of 28761376 is about 306.3866841761.

The spelling of 28761376 in words is "twenty-eight million, seven hundred sixty-one thousand, three hundred seventy-six".