5611949 has 4 divisors (see below), whose sum is σ = 6413664. Its totient is φ = 4810236.

The previous prime is 5611937. The next prime is 5611951. The reversal of 5611949 is 9491165.

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 a cyclic number.

It is not a de Polignac number, because 5611949 - 2⁴ = 5611933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611849) 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, 400847 + ... + 400860.

It is an arithmetic number, because the mean of its divisors is an integer number (1603416).

Almost surely, 2^5611949 is an apocalyptic number.

It is an amenable number.

5611949 is a deficient number, since it is larger than the sum of its proper divisors (801715).

5611949 is an equidigital number, since it uses as much as digits as its factorization.

5611949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801714.

The product of its digits is 9720, while the sum is 35.

The square root of 5611949 is about 2368.9552549595. The cubic root of 5611949 is about 177.7070149651.

The spelling of 5611949 in words is "five million, six hundred eleven thousand, nine hundred forty-nine".