604487780 has 24 divisors (see below), whose sum is σ = 1367072952. Its totient is φ = 223195392.

The previous prime is 604487761. The next prime is 604487783. The reversal of 604487780 is 87784406.

It can be written as a sum of positive squares in 4 ways, for example, as 87198244 + 517289536 = 9338^2 + 22744^2 .

It is not an unprimeable number, because it can be changed into a prime (604487783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162217 + ... + 1162736.

It is an arithmetic number, because the mean of its divisors is an integer number (56961373).

Almost surely, 2^604487780 is an apocalyptic number.

It is an amenable number.

604487780 is an abundant number, since it is smaller than the sum of its proper divisors (762585172).

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

604487780 is a wasteful number, since it uses less digits than its factorization.

604487780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324975 (or 2324973 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 604487780 is about 24586.3331954970. Note that the first 3 decimals coincide. The cubic root of 604487780 is about 845.5302998091.

The spelling of 604487780 in words is "six hundred four million, four hundred eighty-seven thousand, seven hundred eighty".