28461712 has 10 divisors (see below), whose sum is σ = 55144598. Its totient is φ = 14230848.

The previous prime is 28461703. The next prime is 28461733. The reversal of 28461712 is 21716482.

It can be written as a sum of positive squares in only one way, i.e., 15241216 + 13220496 = 3904^2 + 3636^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 889413 + ... + 889444.

Almost surely, 2^28461712 is an apocalyptic number.

It is an amenable number.

28461712 is a deficient number, since it is larger than the sum of its proper divisors (26682886).

28461712 is a wasteful number, since it uses less digits than its factorization.

28461712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778865 (or 1778859 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 28461712 is about 5334.9519210580. The cubic root of 28461712 is about 305.3188889048.

The spelling of 28461712 in words is "twenty-eight million, four hundred sixty-one thousand, seven hundred twelve".