3405644604 has 18 divisors (see below), whose sum is σ = 8608712840. Its totient is φ = 1135214856.

The previous prime is 3405644603. The next prime is 3405644617. The reversal of 3405644604 is 4064465043.

3405644604 is a `hidden beast` number, since 3 + 4 + 0 + 5 + 6 + 44 + 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: 94601239 = 3405644604 / (3 + 4 + 0 + 5 + 6 + 4 + 4 + 6 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405644603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47300584 + ... + 47300655.

Almost surely, 2^3405644604 is an apocalyptic number.

It is an amenable number.

3405644604 is an abundant number, since it is smaller than the sum of its proper divisors (5203068236).

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

3405644604 is a wasteful number, since it uses less digits than its factorization.

3405644604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94601249 (or 94601244 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 3405644604 is about 58357.9009560831. The cubic root of 3405644604 is about 1504.5262695184.

The spelling of 3405644604 in words is "three billion, four hundred five million, six hundred forty-four thousand, six hundred four".