4778604 has 18 divisors (see below), whose sum is σ = 12079340. Its totient is φ = 1592856.

The previous prime is 4778603. The next prime is 4778611. The reversal of 4778604 is 4068774.

It is a happy number.

4778604 is a `hidden beast` number, since 47 + 7 + 8 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 132739 = 4778604 / (4 + 7 + 7 + 8 + 6 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (4778603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66334 + ... + 66405.

Almost surely, 2^4778604 is an apocalyptic number.

It is an amenable number.

4778604 is an abundant number, since it is smaller than the sum of its proper divisors (7300736).

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

4778604 is a wasteful number, since it uses less digits than its factorization.

4778604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132749 (or 132744 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 4778604 is about 2186.0018298254. The cubic root of 4778604 is about 168.4355196523.

The spelling of 4778604 in words is "four million, seven hundred seventy-eight thousand, six hundred four".