28562967 has 12 divisors (see below), whose sum is σ = 41321280. Its totient is φ = 19012608.

The previous prime is 28562921. The next prime is 28562969. The reversal of 28562967 is 76926582.

28562967 is a `hidden beast` number, since 28 + 562 + 9 + 67 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-28562967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28562969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4858 + ... + 8984.

It is an arithmetic number, because the mean of its divisors is an integer number (3443440).

Almost surely, 2^28562967 is an apocalyptic number.

28562967 is a deficient number, since it is larger than the sum of its proper divisors (12758313).

28562967 is a wasteful number, since it uses less digits than its factorization.

28562967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902 (or 4899 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 28562967 is about 5344.4332721066. The cubic root of 28562967 is about 305.6805265015.

The spelling of 28562967 in words is "twenty-eight million, five hundred sixty-two thousand, nine hundred sixty-seven".