5379981 has 8 divisors (see below), whose sum is σ = 7187040. Its totient is φ = 3579792.

The previous prime is 5379971. The next prime is 5380003. The reversal of 5379981 is 1899735.

It is a happy number.

5379981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5379981 - 2²² = 1185677 is a prime.

It is a super-2 number, since 2×5379981² = 57888391120722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5379901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (898380).

Almost surely, 2^5379981 is an apocalyptic number.

It is an amenable number.

5379981 is a deficient number, since it is larger than the sum of its proper divisors (1807059).

5379981 is a wasteful number, since it uses less digits than its factorization.

5379981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435.

The product of its digits is 68040, while the sum is 42.

The square root of 5379981 is about 2319.4786052042. The cubic root of 5379981 is about 175.2239961607.

The spelling of 5379981 in words is "five million, three hundred seventy-nine thousand, nine hundred eighty-one".