3393891456 has 96 divisors (see below), whose sum is σ = 9174022800. Its totient is φ = 1111684608.

The previous prime is 3393891437. The next prime is 3393891467. The reversal of 3393891456 is 6541983933.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 3393891399 and 3393891408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1335435 + ... + 1337973.

Almost surely, 2^3393891456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3393891456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4587011400).

3393891456 is an abundant number, since it is smaller than the sum of its proper divisors (5780131344).

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

3393891456 is an equidigital number, since it uses as much as digits as its factorization.

3393891456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674 (or 2603 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 3393891456 is about 58257.1150676035. The cubic root of 3393891456 is about 1502.7935284584.

The spelling of 3393891456 in words is "three billion, three hundred ninety-three million, eight hundred ninety-one thousand, four hundred fifty-six".