28610032 has 20 divisors (see below), whose sum is σ = 60471576. Its totient is φ = 13004480.

The previous prime is 28610027. The next prime is 28610039. The reversal of 28610032 is 23001682.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 28609985 and 28610012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28610039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81103 + ... + 81454.

Almost surely, 2^28610032 is an apocalyptic number.

28610032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28610032 is an abundant number, since it is smaller than the sum of its proper divisors (31861544).

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

28610032 is a wasteful number, since it uses less digits than its factorization.

28610032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162576 (or 162570 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 28610032 is about 5348.8346394332. The cubic root of 28610032 is about 305.8483307211.

The spelling of 28610032 in words is "twenty-eight million, six hundred ten thousand, thirty-two".