5578986 has 16 divisors (see below), whose sum is σ = 12752064. Its totient is φ = 1593984.

The previous prime is 5578943. The next prime is 5578987. The reversal of 5578986 is 6898755.

It is a super-2 number, since 2×5578986² = 62250169576392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5578987) 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, 66375 + ... + 66458.

It is an arithmetic number, because the mean of its divisors is an integer number (797004).

Almost surely, 2^5578986 is an apocalyptic number.

5578986 is an abundant number, since it is smaller than the sum of its proper divisors (7173078).

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

5578986 is a wasteful number, since it uses less digits than its factorization.

5578986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132845.

The product of its digits is 604800, while the sum is 48.

The square root of 5578986 is about 2361.9877222374. The cubic root of 5578986 is about 177.3583979433.

The spelling of 5578986 in words is "five million, five hundred seventy-eight thousand, nine hundred eighty-six".