4563986 has 8 divisors (see below), whose sum is σ = 7824000. Its totient is φ = 1955988.

The previous prime is 4563983. The next prime is 4564013. The reversal of 4563986 is 6893654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4563983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162986 + ... + 163013.

It is an arithmetic number, because the mean of its divisors is an integer number (978000).

Almost surely, 2^4563986 is an apocalyptic number.

4563986 is a deficient number, since it is larger than the sum of its proper divisors (3260014).

4563986 is a wasteful number, since it uses less digits than its factorization.

4563986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326008.

The product of its digits is 155520, while the sum is 41.

The square root of 4563986 is about 2136.3487543002. The cubic root of 4563986 is about 165.8751904532.

The spelling of 4563986 in words is "four million, five hundred sixty-three thousand, nine hundred eighty-six".