5911949 has 4 divisors (see below), whose sum is σ = 5917440. Its totient is φ = 5906460.

The previous prime is 5911933. The next prime is 5911951. The reversal of 5911949 is 9491195.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5911949 - 2⁴ = 5911933 is a prime.

It is a super-2 number, since 2×5911949² = 69902281957202, which contains 22 as substring.

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 (5911849) 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, 539 + ... + 3480.

It is an arithmetic number, because the mean of its divisors is an integer number (1479360).

Almost surely, 2^5911949 is an apocalyptic number.

It is an amenable number.

5911949 is a deficient number, since it is larger than the sum of its proper divisors (5491).

5911949 is a wasteful number, since it uses less digits than its factorization.

5911949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490.

The product of its digits is 14580, while the sum is 38.

The square root of 5911949 is about 2431.4499789220. The cubic root of 5911949 is about 180.8187903859.

The spelling of 5911949 in words is "five million, nine hundred eleven thousand, nine hundred forty-nine".