3263961906 has 64 divisors (see below), whose sum is σ = 7499496960. Its totient is φ = 1064771568.

The previous prime is 3263961893. The next prime is 3263961929. The reversal of 3263961906 is 6091693623.

It is a happy number.

3263961906 is a `hidden beast` number, since 3 + 2 + 639 + 6 + 1 + 9 + 0 + 6 = 666.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 197640 + ... + 213516.

It is an arithmetic number, because the mean of its divisors is an integer number (117179640).

Almost surely, 2^3263961906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3263961906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749748480).

3263961906 is an abundant number, since it is smaller than the sum of its proper divisors (4235535054).

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

3263961906 is an equidigital number, since it uses as much as digits as its factorization.

3263961906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15947 (or 15929 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 3263961906 is about 57131.0940381855. The cubic root of 3263961906 is about 1483.3661368947.

The spelling of 3263961906 in words is "three billion, two hundred sixty-three million, nine hundred sixty-one thousand, nine hundred six".