28267134 has 32 divisors (see below), whose sum is σ = 65022720. Its totient is φ = 8024832.

The previous prime is 28267123. The next prime is 28267139. The reversal of 28267134 is 43176282.

It is a junction number, because it is equal to n+sod(n) for n = 28267095 and 28267104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28267139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4782 + ... + 8910.

It is an arithmetic number, because the mean of its divisors is an integer number (2031960).

Almost surely, 2^28267134 is an apocalyptic number.

28267134 is an abundant number, since it is smaller than the sum of its proper divisors (36755586).

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

28267134 is a wasteful number, since it uses less digits than its factorization.

28267134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304.

The product of its digits is 16128, while the sum is 33.

The square root of 28267134 is about 5316.6844931781. The cubic root of 28267134 is about 304.6215282229.

The spelling of 28267134 in words is "twenty-eight million, two hundred sixty-seven thousand, one hundred thirty-four".