612906 has 16 divisors (see below), whose sum is σ = 1401024. Its totient is φ = 175104.

The previous prime is 612889. The next prime is 612923. The reversal of 612906 is 609216.

It is an interprime number because it is at equal distance from previous prime (612889) and next prime (612923).

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7255 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (87564).

2⁶¹²⁹⁰⁶ is an apocalyptic number.

612906 is an abundant number, since it is smaller than the sum of its proper divisors (788118).

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

612906 is a wasteful number, since it uses less digits than its factorization.

612906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14605.

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

The square root of 612906 is about 782.8831330409. The cubic root of 612906 is about 84.9437228403.

The spelling of 612906 in words is "six hundred twelve thousand, nine hundred six".