28677952 has 14 divisors (see below), whose sum is σ = 56907938. Its totient is φ = 14338944.

The previous prime is 28677949. The next prime is 28677959. The reversal of 28677952 is 25977682.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 968256 = 5264^2 + 984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28677959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223983 + ... + 224110.

Almost surely, 2^28677952 is an apocalyptic number.

It is an amenable number.

28677952 is a deficient number, since it is larger than the sum of its proper divisors (28229986).

28677952 is an equidigital number, since it uses as much as digits as its factorization.

28677952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448105 (or 448095 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 28677952 is about 5355.1799222809. The cubic root of 28677952 is about 306.0901666592.

The spelling of 28677952 in words is "twenty-eight million, six hundred seventy-seven thousand, nine hundred fifty-two".