5394981 has 4 divisors (see below), whose sum is σ = 7193312. Its totient is φ = 3596652.

The previous prime is 5394979. The next prime is 5394997. The reversal of 5394981 is 1894935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5394981 - 2¹ = 5394979 is a prime.

It is a super-3 number, since 3×5394981³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5394931) 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, 899161 + ... + 899166.

It is an arithmetic number, because the mean of its divisors is an integer number (1798328).

Almost surely, 2^5394981 is an apocalyptic number.

It is an amenable number.

5394981 is a deficient number, since it is larger than the sum of its proper divisors (1798331).

5394981 is a wasteful number, since it uses less digits than its factorization.

5394981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798330.

The product of its digits is 38880, while the sum is 39.

The square root of 5394981 is about 2322.7098398207. The cubic root of 5394981 is about 175.3866932035.

The spelling of 5394981 in words is "five million, three hundred ninety-four thousand, nine hundred eighty-one".