5149840 has 20 divisors (see below), whose sum is σ = 11973564. Its totient is φ = 2059904.

The previous prime is 5149829. The next prime is 5149841. The reversal of 5149840 is 489415.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 2108304 = 1744^2 + 1452^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (5149841) 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, 32107 + ... + 32266.

Almost surely, 2^5149840 is an apocalyptic number.

It is an amenable number.

5149840 is an abundant number, since it is smaller than the sum of its proper divisors (6823724).

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

5149840 is a wasteful number, since it uses less digits than its factorization.

5149840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64386 (or 64380 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 5149840 is about 2269.3258910963. The cubic root of 5149840 is about 172.6889618718.

The spelling of 5149840 in words is "five million, one hundred forty-nine thousand, eight hundred forty".