28463756 has 12 divisors (see below), whose sum is σ = 50751792. Its totient is φ = 13963248.

The previous prime is 28463753. The next prime is 28463801. The reversal of 28463756 is 65736482.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28463753) 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, 66920 + ... + 67343.

It is an arithmetic number, because the mean of its divisors is an integer number (4229316).

Almost surely, 2^28463756 is an apocalyptic number.

It is an amenable number.

28463756 is a deficient number, since it is larger than the sum of its proper divisors (22288036).

28463756 is a wasteful number, since it uses less digits than its factorization.

28463756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134320 (or 134318 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 28463756 is about 5335.1434844810. The cubic root of 28463756 is about 305.3261976344.

The spelling of 28463756 in words is "twenty-eight million, four hundred sixty-three thousand, seven hundred fifty-six".