3493447056 has 300 divisors, whose sum is σ = 11399739120. Its totient is φ = 1024254720.

The previous prime is 3493447051. The next prime is 3493447063. The reversal of 3493447056 is 6507443943.

3493447056 is a `hidden beast` number, since 3 + 493 + 44 + 70 + 56 = 666.

It is not an unprimeable number, because it can be changed into a prime (3493447051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19516375 + ... + 19516553.

Almost surely, 2^3493447056 is an apocalyptic number.

3493447056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3493447056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5699869560).

3493447056 is an abundant number, since it is smaller than the sum of its proper divisors (7906292064).

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

3493447056 is a wasteful number, since it uses less digits than its factorization.

3493447056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The square root of 3493447056 is about 59105.3893989372. The cubic root of 3493447056 is about 1517.3463417030.

The spelling of 3493447056 in words is "three billion, four hundred ninety-three million, four hundred forty-seven thousand, fifty-six".