611849 has 4 divisors (see below), whose sum is σ = 699264. Its totient is φ = 524436.

The previous prime is 611839. The next prime is 611873. The reversal of 611849 is 948116.

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 611849 - 2⁴ = 611833 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611839) 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, 43697 + ... + 43710.

It is an arithmetic number, because the mean of its divisors is an integer number (174816).

2⁶¹¹⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

611849 is a deficient number, since it is larger than the sum of its proper divisors (87415).

611849 is an equidigital number, since it uses as much as digits as its factorization.

611849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87414.

The product of its digits is 1728, while the sum is 29.

The square root of 611849 is about 782.2077729095. The cubic root of 611849 is about 84.8948642451.

The spelling of 611849 in words is "six hundred eleven thousand, eight hundred forty-nine".