3964463808 has 56 divisors (see below), whose sum is σ = 10539130560. Its totient is φ = 1315211520.

The previous prime is 3964463807. The next prime is 3964463809. The reversal of 3964463808 is 8083644693.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3964463807) and next prime (3964463809).

It is not an unprimeable number, because it can be changed into a prime (3964463803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8418 + ... + 89441.

It is an arithmetic number, because the mean of its divisors is an integer number (188198760).

Almost surely, 2^3964463808 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 3964463808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5269565280).

3964463808 is an abundant number, since it is smaller than the sum of its proper divisors (6574666752).

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

3964463808 is a wasteful number, since it uses less digits than its factorization.

3964463808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98085 (or 98075 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The square root of 3964463808 is about 62963.9881837229. The cubic root of 3964463808 is about 1582.6862129479.

The spelling of 3964463808 in words is "three billion, nine hundred sixty-four million, four hundred sixty-three thousand, eight hundred eight".