28485134 has 16 divisors (see below), whose sum is σ = 44327520. Its totient is φ = 13712160.

The previous prime is 28485133. The next prime is 28485137. The reversal of 28485134 is 43158482.

It is a super-2 number, since 2×28485134² = 1622805717995912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28485094 and 28485103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28485133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37967 + ... + 38709.

It is an arithmetic number, because the mean of its divisors is an integer number (2770470).

Almost surely, 2^28485134 is an apocalyptic number.

28485134 is a deficient number, since it is larger than the sum of its proper divisors (15842386).

28485134 is a wasteful number, since it uses less digits than its factorization.

28485134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435.

The product of its digits is 30720, while the sum is 35.

The square root of 28485134 is about 5337.1466159363. The cubic root of 28485134 is about 305.4026179776.

The spelling of 28485134 in words is "twenty-eight million, four hundred eighty-five thousand, one hundred thirty-four".