28164486 has 16 divisors (see below), whose sum is σ = 64376064. Its totient is φ = 8046984.

The previous prime is 28164463. The next prime is 28164503. The reversal of 28164486 is 68446182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335250 + ... + 335333.

It is an arithmetic number, because the mean of its divisors is an integer number (4023504).

Almost surely, 2^28164486 is an apocalyptic number.

28164486 is an abundant number, since it is smaller than the sum of its proper divisors (36211578).

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

28164486 is a wasteful number, since it uses less digits than its factorization.

28164486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670595.

The product of its digits is 73728, while the sum is 39.

The square root of 28164486 is about 5307.0223289525. The cubic root of 28164486 is about 304.2523513485.

The spelling of 28164486 in words is "twenty-eight million, one hundred sixty-four thousand, four hundred eighty-six".