609204880 has 20 divisors (see below), whose sum is σ = 1416401532. Its totient is φ = 243681920.

The previous prime is 609204863. The next prime is 609204881. The reversal of 609204880 is 88402906.

It can be written as a sum of positive squares in 2 ways, for example, as 71707024 + 537497856 = 8468^2 + 23184^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×609204880² = 742261171631628800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (609204881) 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, 3807451 + ... + 3807610.

Almost surely, 2^609204880 is an apocalyptic number.

It is an amenable number.

609204880 is an abundant number, since it is smaller than the sum of its proper divisors (807196652).

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

609204880 is a wasteful number, since it uses less digits than its factorization.

609204880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615074 (or 7615068 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 609204880 is about 24682.0760877200. The cubic root of 609204880 is about 847.7239593402.

The spelling of 609204880 in words is "six hundred nine million, two hundred four thousand, eight hundred eighty".