28467612 has 60 divisors (see below), whose sum is σ = 76270656. Its totient is φ = 9253440.

The previous prime is 28467601. The next prime is 28467613. The reversal of 28467612 is 21676482.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28467613) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12213 + ... + 14355.

Almost surely, 2^28467612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28467612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38135328).

28467612 is an abundant number, since it is smaller than the sum of its proper divisors (47803044).

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

28467612 is a wasteful number, since it uses less digits than its factorization.

28467612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200 (or 2189 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 28467612 is about 5335.5048495901. The cubic root of 28467612 is about 305.3399845787.

It can be divided in two parts, 284 and 67612, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 28467612 in words is "twenty-eight million, four hundred sixty-seven thousand, six hundred twelve".