3605408394 has 32 divisors (see below), whose sum is σ = 8245248000. Its totient is φ = 1029577392.

The previous prime is 3605408357. The next prime is 3605408419. The reversal of 3605408394 is 4938045063.

3605408394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62487 + ... + 105429.

It is an arithmetic number, because the mean of its divisors is an integer number (257664000).

Almost surely, 2^3605408394 is an apocalyptic number.

3605408394 is an abundant number, since it is smaller than the sum of its proper divisors (4639839606).

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

3605408394 is a wasteful number, since it uses less digits than its factorization.

3605408394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44954.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 3605408394 is about 60045.0530352002. The cubic root of 3605408394 is about 1533.3859813786.

The spelling of 3605408394 in words is "three billion, six hundred five million, four hundred eight thousand, three hundred ninety-four".