3664857294 has 144 divisors (see below), whose sum is σ = 9765550080. Its totient is φ = 987668640.

The previous prime is 3664857269. The next prime is 3664857299. The reversal of 3664857294 is 4927584663.

3664857294 is a `hidden beast` number, since 3 + 6 + 6 + 485 + 72 + 94 = 666.

3664857294 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3664857294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664857299) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6418029 + ... + 6418599.

It is an arithmetic number, because the mean of its divisors is an integer number (67816320).

Almost surely, 2^3664857294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3664857294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4882775040).

3664857294 is an abundant number, since it is smaller than the sum of its proper divisors (6100692786).

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

3664857294 is a wasteful number, since it uses less digits than its factorization.

3664857294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 985 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 3664857294 is about 60538.0648352753. The cubic root of 3664857294 is about 1541.7679832799.

The spelling of 3664857294 in words is "three billion, six hundred sixty-four million, eight hundred fifty-seven thousand, two hundred ninety-four".