28463776 has 24 divisors (see below), whose sum is σ = 61133184. Its totient is φ = 12937920.

The previous prime is 28463753. The next prime is 28463801. The reversal of 28463776 is 67736482.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40080 + ... + 40783.

It is an arithmetic number, because the mean of its divisors is an integer number (2547216).

Almost surely, 2^28463776 is an apocalyptic number.

It is an amenable number.

28463776 is an abundant number, since it is smaller than the sum of its proper divisors (32669408).

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

28463776 is a wasteful number, since it uses less digits than its factorization.

28463776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80884 (or 80876 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 28463776 is about 5335.1453588445. The cubic root of 28463776 is about 305.3262691466.

The spelling of 28463776 in words is "twenty-eight million, four hundred sixty-three thousand, seven hundred seventy-six".