5973981 has 12 divisors (see below), whose sum is σ = 8625888. Its totient is φ = 3675984.

The previous prime is 5973973. The next prime is 5973991. The reversal of 5973981 is 1893795.

It is a happy number.

5973981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5973981 - 2³ = 5973973 is a prime.

It is a super-2 number, since 2×5973981² = 71376897976722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5973911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5385 + ... + 6398.

It is an arithmetic number, because the mean of its divisors is an integer number (718824).

Almost surely, 2^5973981 is an apocalyptic number.

It is an amenable number.

5973981 is a deficient number, since it is larger than the sum of its proper divisors (2651907).

5973981 is a wasteful number, since it uses less digits than its factorization.

5973981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812 (or 11799 counting only the distinct ones).

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

The square root of 5973981 is about 2444.1728662269. The cubic root of 5973981 is about 181.4490139022.

The spelling of 5973981 in words is "five million, nine hundred seventy-three thousand, nine hundred eighty-one".