609947604 has 192 divisors, whose sum is σ = 1916006400. Its totient is φ = 164094336.

The previous prime is 609947587. The next prime is 609947711. The reversal of 609947604 is 406749906.

609947604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 609947604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 942409 + ... + 943055.

It is an arithmetic number, because the mean of its divisors is an integer number (9979200).

Almost surely, 2^609947604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609947604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (958003200).

609947604 is an abundant number, since it is smaller than the sum of its proper divisors (1306058796).

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

609947604 is a wasteful number, since it uses less digits than its factorization.

609947604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 609947604 is about 24697.1173216633. The cubic root of 609947604 is about 848.0683258255.

The spelling of 609947604 in words is "six hundred nine million, nine hundred forty-seven thousand, six hundred four".