28867612 has 12 divisors (see below), whose sum is σ = 53177320. Its totient is φ = 13674096.

The previous prime is 28867609. The next prime is 28867613. The reversal of 28867612 is 21676882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28867613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189843 + ... + 189994.

Almost surely, 2^28867612 is an apocalyptic number.

It is an amenable number.

28867612 is a deficient number, since it is larger than the sum of its proper divisors (24309708).

28867612 is a wasteful number, since it uses less digits than its factorization.

28867612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379860 (or 379858 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 28867612 is about 5372.8588293384. The cubic root of 28867612 is about 306.7634545365.

The spelling of 28867612 in words is "twenty-eight million, eight hundred sixty-seven thousand, six hundred twelve".