5406986 has 24 divisors (see below), whose sum is σ = 9308844. Its totient is φ = 2346240.

The previous prime is 5406983. The next prime is 5406991. The reversal of 5406986 is 6896045.

It can be written as a sum of positive squares in 6 ways, for example, as 1739761 + 3667225 = 1319^2 + 1915^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5406983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5276 + ... + 6216.

Almost surely, 2^5406986 is an apocalyptic number.

5406986 is a deficient number, since it is larger than the sum of its proper divisors (3901858).

5406986 is a wasteful number, since it uses less digits than its factorization.

5406986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 5406986 is about 2325.2926697515. The cubic root of 5406986 is about 175.5166879422.

The spelling of 5406986 in words is "five million, four hundred six thousand, nine hundred eighty-six".