609630 has 32 divisors (see below), whose sum is σ = 1672704. Its totient is φ = 139296.

The previous prime is 609619. The next prime is 609641. The reversal of 609630 is 36906.

It is an interprime number because it is at equal distance from previous prime (609619) and next prime (609641).

It is a self number, because there is not a number n which added to its sum of digits gives 609630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (52272).

2⁶⁰⁹⁶³⁰ is an apocalyptic number.

609630 is an abundant number, since it is smaller than the sum of its proper divisors (1063074).

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

609630 is a wasteful number, since it uses less digits than its factorization.

609630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 609630 is about 780.7880634333. The cubic root of 609630 is about 84.7921101892.

The spelling of 609630 in words is "six hundred nine thousand, six hundred thirty".