3270428406 has 64 divisors (see below), whose sum is σ = 8318246400. Its totient is φ = 933013728.

The previous prime is 3270428393. The next prime is 3270428423. The reversal of 3270428406 is 6048240723.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261901 + ... + 274103.

It is an arithmetic number, because the mean of its divisors is an integer number (129972600).

Almost surely, 2^3270428406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3270428406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4159123200).

3270428406 is an abundant number, since it is smaller than the sum of its proper divisors (5047817994).

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

3270428406 is a wasteful number, since it uses less digits than its factorization.

3270428406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12930 (or 12924 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 3270428406 is about 57187.6595604331. The cubic root of 3270428406 is about 1484.3450963865.

The spelling of 3270428406 in words is "three billion, two hundred seventy million, four hundred twenty-eight thousand, four hundred six".