28670196 has 12 divisors (see below), whose sum is σ = 66897152. Its totient is φ = 9556728.

The previous prime is 28670189. The next prime is 28670197. The reversal of 28670196 is 69107682.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28670197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194580 + ... + 1194603.

Almost surely, 2^28670196 is an apocalyptic number.

It is an amenable number.

28670196 is an abundant number, since it is smaller than the sum of its proper divisors (38226956).

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

28670196 is a wasteful number, since it uses less digits than its factorization.

28670196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389190 (or 2389188 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 28670196 is about 5354.4557146362. The cubic root of 28670196 is about 306.0625699723.

The spelling of 28670196 in words is "twenty-eight million, six hundred seventy thousand, one hundred ninety-six".