28461756 has 24 divisors (see below), whose sum is σ = 66822784. Its totient is φ = 9428400.

The previous prime is 28461737. The next prime is 28461761. The reversal of 28461756 is 65716482.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5320 + ... + 9231.

Almost surely, 2^28461756 is an apocalyptic number.

It is an amenable number.

28461756 is an abundant number, since it is smaller than the sum of its proper divisors (38361028).

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

28461756 is a wasteful number, since it uses less digits than its factorization.

28461756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14721 (or 14719 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 28461756 is about 5334.9560448049. The cubic root of 28461756 is about 305.3190462392.

The spelling of 28461756 in words is "twenty-eight million, four hundred sixty-one thousand, seven hundred fifty-six".