28673036 has 18 divisors (see below), whose sum is σ = 58370508. Its totient is φ = 12288360.

The previous prime is 28673017. The next prime is 28673077. The reversal of 28673036 is 63037682.

It is a junction number, because it is equal to n+sod(n) for n = 28672987 and 28673005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72950 + ... + 73341.

It is an arithmetic number, because the mean of its divisors is an integer number (3242806).

Almost surely, 2^28673036 is an apocalyptic number.

It is an amenable number.

28673036 is an abundant number, since it is smaller than the sum of its proper divisors (29697472).

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

28673036 is a wasteful number, since it uses less digits than its factorization.

28673036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146309 (or 146300 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 28673036 is about 5354.7209077598. The cubic root of 28673036 is about 306.0726755770.

The spelling of 28673036 in words is "twenty-eight million, six hundred seventy-three thousand, thirty-six".