611368 has 8 divisors (see below), whose sum is σ = 1146330. Its totient is φ = 305680.

The previous prime is 611333. The next prime is 611389. The reversal of 611368 is 863116.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 6084 = 778^2 + 78^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

611368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38203 + ... + 38218.

2⁶¹¹³⁶⁸ is an apocalyptic number.

It is an amenable number.

611368 is a deficient number, since it is larger than the sum of its proper divisors (534962).

611368 is a wasteful number, since it uses less digits than its factorization.

611368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76427 (or 76423 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 611368 is about 781.9002493925. The cubic root of 611368 is about 84.8726119492.

It can be divided in two parts, 611 and 368, that added together give a palindrome (979).

The spelling of 611368 in words is "six hundred eleven thousand, three hundred sixty-eight".