3206478912 has 336 divisors, whose sum is σ = 11066434560. Its totient is φ = 800077824.

The previous prime is 3206478907. The next prime is 3206478943. The reversal of 3206478912 is 2198746023.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4315213 + ... + 4315955.

Almost surely, 2^3206478912 is an apocalyptic number.

3206478912 is a gapful number since it is divisible by the number (32) 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 3206478912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5533217280).

3206478912 is an abundant number, since it is smaller than the sum of its proper divisors (7859955648).

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

3206478912 is a wasteful number, since it uses less digits than its factorization.

3206478912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 3206478912 is about 56625.7795707927. The cubic root of 3206478912 is about 1474.6064505160.

The spelling of 3206478912 in words is "three billion, two hundred six million, four hundred seventy-eight thousand, nine hundred twelve".