5449979 has 16 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 4742784.

The previous prime is 5449957. The next prime is 5449987. The reversal of 5449979 is 9799445.

It is a cyclic number.

It is not a de Polignac number, because 5449979 - 2²⁰ = 4401403 is a prime.

It is a super-2 number, since 2×5449979² = 59404542200882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5449909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15002 + ... + 15360.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 2^5449979 is an apocalyptic number.

5449979 is a deficient number, since it is larger than the sum of its proper divisors (770821).

5449979 is a wasteful number, since it uses less digits than its factorization.

5449979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its digits is 408240, while the sum is 47.

The square root of 5449979 is about 2334.5190082756. The cubic root of 5449979 is about 175.9806603233.

The spelling of 5449979 in words is "five million, four hundred forty-nine thousand, nine hundred seventy-nine".