5491686 has 16 divisors (see below), whose sum is σ = 11006784. Its totient is φ = 1826664.

The previous prime is 5491657. The next prime is 5491709. The reversal of 5491686 is 6861945.

It is a super-3 number, since 3×5491686³ (a number of 21 digits) contains 333 as substring.

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, 4141 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (687924).

Almost surely, 2^5491686 is an apocalyptic number.

5491686 is an abundant number, since it is smaller than the sum of its proper divisors (5515098).

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

5491686 is a wasteful number, since it uses less digits than its factorization.

5491686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955.

The product of its digits is 51840, while the sum is 39.

The square root of 5491686 is about 2343.4346587861. The cubic root of 5491686 is about 176.4284285299.

The spelling of 5491686 in words is "five million, four hundred ninety-one thousand, six hundred eighty-six".