511906 has 8 divisors (see below), whose sum is σ = 771264. Its totient is φ = 254820.

The previous prime is 511897. The next prime is 511909. The reversal of 511906 is 609115.

511906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (511909) 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, 211 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (96408).

2⁵¹¹⁹⁰⁶ is an apocalyptic number.

511906 is a deficient number, since it is larger than the sum of its proper divisors (259358).

511906 is a wasteful number, since it uses less digits than its factorization.

511906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 511906 is about 715.4760652880. The cubic root of 511906 is about 79.9951038670.

It can be divided in two parts, 5 and 11906, that added together give a palindrome (11911).

The spelling of 511906 in words is "five hundred eleven thousand, nine hundred six".