1063604 has 24 divisors (see below), whose sum is σ = 1973160. Its totient is φ = 500864.

The previous prime is 1063597. The next prime is 1063609. The reversal of 1063604 is 4063601.

It can be written as a sum of positive squares in 4 ways, for example, as 504100 + 559504 = 710^2 + 748^2 .

It is a super-3 number, since 3×1063604³ = 3609617143339718592, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063609) 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, 6062 + ... + 6234.

It is an arithmetic number, because the mean of its divisors is an integer number (82215).

2^1063604 is an apocalyptic number.

It is an amenable number.

1063604 is a deficient number, since it is larger than the sum of its proper divisors (909556).

1063604 is a wasteful number, since it uses less digits than its factorization.

1063604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1063604 is about 1031.3117860279. The cubic root of 1063604 is about 102.0767076453.

The spelling of 1063604 in words is "one million, sixty-three thousand, six hundred four".