6409604 has 6 divisors (see below), whose sum is σ = 11216814. Its totient is φ = 3204800.

The previous prime is 6409603. The next prime is 6409607. The reversal of 6409604 is 4069046.

It can be written as a sum of positive squares in only one way, i.e., 5769604 + 640000 = 2402^2 + 800^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6409603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801197 + ... + 801204.

It is an arithmetic number, because the mean of its divisors is an integer number (1869469).

Almost surely, 2^6409604 is an apocalyptic number.

It is an amenable number.

6409604 is a deficient number, since it is larger than the sum of its proper divisors (4807210).

6409604 is a wasteful number, since it uses less digits than its factorization.

6409604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602405 (or 1602403 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6409604 is about 2531.7195737285. The cubic root of 6409604 is about 185.7563773852.

The spelling of 6409604 in words is "six million, four hundred nine thousand, six hundred four".