28383486 has 16 divisors (see below), whose sum is σ = 56985984. Its totient is φ = 9424664.

The previous prime is 28383469. The next prime is 28383497. The reversal of 28383486 is 68438382.

It is a Curzon number.

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, 7416 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (3561624).

Almost surely, 2^28383486 is an apocalyptic number.

28383486 is an abundant number, since it is smaller than the sum of its proper divisors (28602498).

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

28383486 is a wasteful number, since it uses less digits than its factorization.

28383486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18255.

The product of its digits is 221184, while the sum is 42.

The square root of 28383486 is about 5327.6154140478. The cubic root of 28383486 is about 305.0389128888.

The spelling of 28383486 in words is "twenty-eight million, three hundred eighty-three thousand, four hundred eighty-six".