4528986 has 32 divisors (see below), whose sum is σ = 11294208. Its totient is φ = 1176240.

The previous prime is 4528961. The next prime is 4529003. The reversal of 4528986 is 6898254.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4440 + ... + 5363.

It is an arithmetic number, because the mean of its divisors is an integer number (352944).

Almost surely, 2^4528986 is an apocalyptic number.

4528986 is an abundant number, since it is smaller than the sum of its proper divisors (6765222).

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

4528986 is a wasteful number, since it uses less digits than its factorization.

4528986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826.

The product of its digits is 138240, while the sum is 42.

The square root of 4528986 is about 2128.1414426678. The cubic root of 4528986 is about 165.4500842825.

The spelling of 4528986 in words is "four million, five hundred twenty-eight thousand, nine hundred eighty-six".