4525986 has 16 divisors (see below), whose sum is σ = 9445824. Its totient is φ = 1443024.

The previous prime is 4525981. The next prime is 4525987. The reversal of 4525986 is 6895254.

It is not an unprimeable number, because it can be changed into a prime (4525981) 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, 16261 + ... + 16536.

It is an arithmetic number, because the mean of its divisors is an integer number (590364).

Almost surely, 2^4525986 is an apocalyptic number.

4525986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4525986 is an abundant number, since it is smaller than the sum of its proper divisors (4919838).

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

4525986 is a wasteful number, since it uses less digits than its factorization.

4525986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32825.

The product of its digits is 86400, while the sum is 39.

The square root of 4525986 is about 2127.4364855384. The cubic root of 4525986 is about 165.4135448388.

The spelling of 4525986 in words is "four million, five hundred twenty-five thousand, nine hundred eighty-six".