611904 has 28 divisors (see below), whose sum is σ = 1619504. Its totient is φ = 203904.

The previous prime is 611903. The next prime is 611921. The reversal of 611904 is 409116.

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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402 + ... + 1785.

2⁶¹¹⁹⁰⁴ is an apocalyptic number.

611904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

611904 is an abundant number, since it is smaller than the sum of its proper divisors (1007600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611904 is a wasteful number, since it uses less digits than its factorization.

611904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 611904 is about 782.2429290189. The cubic root of 611904 is about 84.8974079433.

The spelling of 611904 in words is "six hundred eleven thousand, nine hundred four".