5479981 has 8 divisors (see below), whose sum is σ = 5935104. Its totient is φ = 5029680.

The previous prime is 5479951. The next prime is 5479987. The reversal of 5479981 is 1899745.

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 5479981 - 2⁷ = 5479853 is a prime.

It is a super-2 number, since 2×5479981² = 60060383520722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5479987) 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 7 ways as a sum of consecutive naturals, for example, 1380 + ... + 3586.

It is an arithmetic number, because the mean of its divisors is an integer number (741888).

Almost surely, 2^5479981 is an apocalyptic number.

It is an amenable number.

5479981 is a deficient number, since it is larger than the sum of its proper divisors (455123).

5479981 is a wasteful number, since it uses less digits than its factorization.

5479981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411.

The product of its digits is 90720, while the sum is 43.

The square root of 5479981 is about 2340.9359239415. The cubic root of 5479981 is about 176.3029926329.

The spelling of 5479981 in words is "five million, four hundred seventy-nine thousand, nine hundred eighty-one".