28660052 has 12 divisors (see below), whose sum is σ = 51510900. Its totient is φ = 13942656.

The previous prime is 28660043. The next prime is 28660061. The reversal of 28660052 is 25006682.

It is an interprime number because it is at equal distance from previous prime (28660043) and next prime (28660061).

It can be written as a sum of positive squares in 2 ways, for example, as 27730756 + 929296 = 5266^2 + 964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28659997 and 28660024.

It is a congruent 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, 96677 + ... + 96972.

It is an arithmetic number, because the mean of its divisors is an integer number (4292575).

Almost surely, 2^28660052 is an apocalyptic number.

It is an amenable number.

28660052 is a deficient number, since it is larger than the sum of its proper divisors (22850848).

28660052 is a wasteful number, since it uses less digits than its factorization.

28660052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193690 (or 193688 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 28660052 is about 5353.5083823601. The cubic root of 28660052 is about 306.0264690106.

The spelling of 28660052 in words is "twenty-eight million, six hundred sixty thousand, fifty-two".