5149986 has 16 divisors (see below), whose sum is σ = 10469568. Its totient is φ = 1688400.

The previous prime is 5149979. The next prime is 5149987. The reversal of 5149986 is 6899415.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5149987) 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, 6670 + ... + 7401.

It is an arithmetic number, because the mean of its divisors is an integer number (654348).

Almost surely, 2^5149986 is an apocalyptic number.

5149986 is an abundant number, since it is smaller than the sum of its proper divisors (5319582).

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

5149986 is a wasteful number, since it uses less digits than its factorization.

5149986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14137.

The product of its digits is 77760, while the sum is 42.

The square root of 5149986 is about 2269.3580590114. The cubic root of 5149986 is about 172.6905937898.

The spelling of 5149986 in words is "five million, one hundred forty-nine thousand, nine hundred eighty-six".