28610132 has 12 divisors (see below), whose sum is σ = 50106420. Its totient is φ = 14294016.

The previous prime is 28610129. The next prime is 28610149. The reversal of 28610132 is 23101682.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 26666896 = 1394^2 + 5164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28610098 and 28610107.

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, 6548 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (4175535).

Almost surely, 2^28610132 is an apocalyptic number.

It is an amenable number.

28610132 is a deficient number, since it is larger than the sum of its proper divisors (21496288).

28610132 is a wasteful number, since it uses less digits than its factorization.

28610132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 28610132 is about 5348.8439872556. The cubic root of 28610132 is about 305.8486870623.

The spelling of 28610132 in words is "twenty-eight million, six hundred ten thousand, one hundred thirty-two".