611943 has 12 divisors (see below), whose sum is σ = 844200. Its totient is φ = 394272.

The previous prime is 611939. The next prime is 611951. The reversal of 611943 is 349116.

611943 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 611943 - 2² = 611939 is a prime.

611943 is strictly pandigital in base 7.

611943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4033 + ... + 4181.

It is an arithmetic number, because the mean of its divisors is an integer number (70350).

2⁶¹¹⁹⁴³ is an apocalyptic number.

611943 is a deficient number, since it is larger than the sum of its proper divisors (232257).

611943 is a wasteful number, since it uses less digits than its factorization.

611943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 189 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 611943 is about 782.2678569390. The cubic root of 611943 is about 84.8992115642.

The spelling of 611943 in words is "six hundred eleven thousand, nine hundred forty-three".