609994 has 32 divisors (see below), whose sum is σ = 1213056. Its totient is φ = 222720.

The previous prime is 609991. The next prime is 609997. The reversal of 609994 is 499906.

609994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (609991) and next prime (609997).

It is not an unprimeable number, because it can be changed into a prime (609991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502 + ... + 2734.

It is an arithmetic number, because the mean of its divisors is an integer number (37908).

2⁶⁰⁹⁹⁹⁴ is an apocalyptic number.

609994 is a deficient number, since it is larger than the sum of its proper divisors (603062).

609994 is a wasteful number, since it uses less digits than its factorization.

609994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 609994 is about 781.0211264748. The cubic root of 609994 is about 84.8089828208.

The spelling of 609994 in words is "six hundred nine thousand, nine hundred ninety-four".