3964534992 has 90 divisors (see below), whose sum is σ = 12195594866. Its totient is φ = 1201368960.

The previous prime is 3964534961. The next prime is 3964535009. The reversal of 3964534992 is 2994354693.

It can be written as a sum of positive squares in only one way, i.e., 3964465296 + 69696 = 62964^2 + 264^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96343 + ... + 131190.

Almost surely, 2^3964534992 is an apocalyptic number.

It is an amenable number.

3964534992 is an abundant number, since it is smaller than the sum of its proper divisors (8231059874).

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

3964534992 is a wasteful number, since it uses less digits than its factorization.

3964534992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227569 (or 227549 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The square root of 3964534992 is about 62964.5534566870. The cubic root of 3964534992 is about 1582.6956855413.

The spelling of 3964534992 in words is "three billion, nine hundred sixty-four million, five hundred thirty-four thousand, nine hundred ninety-two".