5439949 has 8 divisors (see below), whose sum is σ = 5842368. Its totient is φ = 5046720.

The previous prime is 5439943. The next prime is 5439953. The reversal of 5439949 is 9499345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5439949 - 2⁷ = 5439821 is a prime.

It is a Duffinian number.

5439949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439943) 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, 1047 + ... + 3460.

It is an arithmetic number, because the mean of its divisors is an integer number (730296).

Almost surely, 2^5439949 is an apocalyptic number.

It is an amenable number.

5439949 is a deficient number, since it is larger than the sum of its proper divisors (402419).

5439949 is a wasteful number, since it uses less digits than its factorization.

5439949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595.

The product of its digits is 174960, while the sum is 43.

The square root of 5439949 is about 2332.3698248777. The cubic root of 5439949 is about 175.8726372809.

The spelling of 5439949 in words is "five million, four hundred thirty-nine thousand, nine hundred forty-nine".