28473032 has 32 divisors (see below), whose sum is σ = 61387200. Its totient is φ = 12128064.

The previous prime is 28472989. The next prime is 28473037. The reversal of 28473032 is 23037482.

It is a junction number, because it is equal to n+sod(n) for n = 28472986 and 28473004.

It is not an unprimeable number, because it can be changed into a prime (28473037) 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 7 ways as a sum of consecutive naturals, for example, 8219 + ... + 11157.

It is an arithmetic number, because the mean of its divisors is an integer number (1918350).

Almost surely, 2^28473032 is an apocalyptic number.

It is an amenable number.

28473032 is an abundant number, since it is smaller than the sum of its proper divisors (32914168).

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

28473032 is a wasteful number, since it uses less digits than its factorization.

28473032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3121 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 28473032 is about 5336.0127436130. The cubic root of 28473032 is about 305.3593614258.

The spelling of 28473032 in words is "twenty-eight million, four hundred seventy-three thousand, thirty-two".