3393557856 has 360 divisors, whose sum is σ = 11070791424. Its totient is φ = 1018967040.

The previous prime is 3393557821. The next prime is 3393557857. The reversal of 3393557856 is 6587553933.

3393557856 is a `hidden beast` number, since 3 + 3 + 9 + 3 + 557 + 85 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3393557857) 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, 26720865 + ... + 26720991.

Almost surely, 2^3393557856 is an apocalyptic number.

3393557856 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 3393557856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5535395712).

3393557856 is an abundant number, since it is smaller than the sum of its proper divisors (7677233568).

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

3393557856 is a wasteful number, since it uses less digits than its factorization.

3393557856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 206 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 54.

The square root of 3393557856 is about 58254.2518276563. The cubic root of 3393557856 is about 1502.7442881930.

The spelling of 3393557856 in words is "three billion, three hundred ninety-three million, five hundred fifty-seven thousand, eight hundred fifty-six".