5949981 has 6 divisors (see below), whose sum is σ = 8594430. Its totient is φ = 3966648.

The previous prime is 5949971. The next prime is 5950003. The reversal of 5949981 is 1899495.

5949981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4347225 + 1602756 = 2085^2 + 1266^2 .

It is not a de Polignac number, because 5949981 - 2¹⁵ = 5917213 is a prime.

It is a super-2 number, since 2×5949981² = 70804547800722, which contains 22 as substring.

5949981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5949971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330546 + ... + 330563.

It is an arithmetic number, because the mean of its divisors is an integer number (1432405).

Almost surely, 2^5949981 is an apocalyptic number.

It is an amenable number.

5949981 is a deficient number, since it is larger than the sum of its proper divisors (2644449).

5949981 is a wasteful number, since it uses less digits than its factorization.

5949981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661115 (or 661112 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 5949981 is about 2439.2582889067. The cubic root of 5949981 is about 181.2057020558.

The spelling of 5949981 in words is "five million, nine hundred forty-nine thousand, nine hundred eighty-one".