609604380 has 384 divisors, whose sum is σ = 2406942720. Its totient is φ = 125971200.

The previous prime is 609604361. The next prime is 609604393. The reversal of 609604380 is 83406906.

609604380 is a `hidden beast` number, since 609 + 6 + 0 + 43 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3367890 + ... + 3368070.

It is an arithmetic number, because the mean of its divisors is an integer number (6268080).

Almost surely, 2^609604380 is an apocalyptic number.

609604380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609604380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203471360).

609604380 is an abundant number, since it is smaller than the sum of its proper divisors (1797338340).

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

609604380 is a wasteful number, since it uses less digits than its factorization.

609604380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 609604380 is about 24690.1676786530. The cubic root of 609604380 is about 847.9092236252.

The spelling of 609604380 in words is "six hundred nine million, six hundred four thousand, three hundred eighty".