612089 has 4 divisors (see below), whose sum is σ = 627060. Its totient is φ = 597120.

The previous prime is 612083. The next prime is 612107. The reversal of 612089 is 980216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 258064 + 354025 = 508^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 612089 - 2⁸ = 611833 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612083) 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, 7424 + ... + 7505.

It is an arithmetic number, because the mean of its divisors is an integer number (156765).

2⁶¹²⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

612089 is a deficient number, since it is larger than the sum of its proper divisors (14971).

612089 is a wasteful number, since it uses less digits than its factorization.

612089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14970.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 612089 is about 782.3611697931. The cubic root of 612089 is about 84.9059629007.

The spelling of 612089 in words is "six hundred twelve thousand, eighty-nine".