28659652 has 24 divisors (see below), whose sum is σ = 58178624. Its totient is φ = 12098592.

The previous prime is 28659643. The next prime is 28659661. The reversal of 28659652 is 25695682.

It is an interprime number because it is at equal distance from previous prime (28659643) and next prime (28659661).

It is a super-2 number, since 2×28659652² = 1642751305522208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28659599 and 28659608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5763 + ... + 9514.

Almost surely, 2^28659652 is an apocalyptic number.

It is an amenable number.

28659652 is an abundant number, since it is smaller than the sum of its proper divisors (29518972).

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

28659652 is a wasteful number, since it uses less digits than its factorization.

28659652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15355 (or 15353 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 28659652 is about 5353.4710235510. The cubic root of 28659652 is about 306.0250452965.

The spelling of 28659652 in words is "twenty-eight million, six hundred fifty-nine thousand, six hundred fifty-two".