28101486 has 32 divisors (see below), whose sum is σ = 64396800. Its totient is φ = 8008416.

The previous prime is 28101473. The next prime is 28101487. The reversal of 28101486 is 68410182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28101487) 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, 24600 + ... + 25716.

It is an arithmetic number, because the mean of its divisors is an integer number (2012400).

Almost surely, 2^28101486 is an apocalyptic number.

28101486 is an abundant number, since it is smaller than the sum of its proper divisors (36295314).

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

28101486 is a wasteful number, since it uses less digits than its factorization.

28101486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 28101486 is about 5301.0834741588. The cubic root of 28101486 is about 304.0253253948.

The spelling of 28101486 in words is "twenty-eight million, one hundred one thousand, four hundred eighty-six".