28630670 has 16 divisors (see below), whose sum is σ = 53198208. Its totient is φ = 11082720.

The previous prime is 28630649. The next prime is 28630681. The reversal of 28630670 is 7603682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45869 + ... + 46488.

It is an arithmetic number, because the mean of its divisors is an integer number (3324888).

Almost surely, 2^28630670 is an apocalyptic number.

28630670 is a deficient number, since it is larger than the sum of its proper divisors (24567538).

28630670 is a wasteful number, since it uses less digits than its factorization.

28630670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92395.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 28630670 is about 5350.7634969227. The cubic root of 28630670 is about 305.9218548228.

The spelling of 28630670 in words is "twenty-eight million, six hundred thirty thousand, six hundred seventy".