28670796 has 72 divisors (see below), whose sum is σ = 90365184. Its totient is φ = 7446240.

The previous prime is 28670777. The next prime is 28670813. The reversal of 28670796 is 69707682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2400 + ... + 7943.

It is an arithmetic number, because the mean of its divisors is an integer number (1255072).

Almost surely, 2^28670796 is an apocalyptic number.

It is an amenable number.

28670796 is an abundant number, since it is smaller than the sum of its proper divisors (61694388).

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

28670796 is a wasteful number, since it uses less digits than its factorization.

28670796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371 (or 10366 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 28670796 is about 5354.5117424467. The cubic root of 28670796 is about 306.0647050148.

The spelling of 28670796 in words is "twenty-eight million, six hundred seventy thousand, seven hundred ninety-six".