28586496 has 80 divisors (see below), whose sum is σ = 78369984. Its totient is φ = 9252864.

The previous prime is 28586477. The next prime is 28586497. The reversal of 28586496 is 69468582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (28586497) 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, 56581 + ... + 57083.

Almost surely, 2^28586496 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 28586496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39184992).

28586496 is an abundant number, since it is smaller than the sum of its proper divisors (49783488).

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

28586496 is an equidigital number, since it uses as much as digits as its factorization.

28586496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 545 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 28586496 is about 5346.6340813637. The cubic root of 28586496 is about 305.7644391553.

The spelling of 28586496 in words is "twenty-eight million, five hundred eighty-six thousand, four hundred ninety-six".