3964428382 has 4 divisors (see below), whose sum is σ = 5946642576. Its totient is φ = 1982214190.

The previous prime is 3964428367. The next prime is 3964428389. The reversal of 3964428382 is 2838244693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2838244693 = 461 ⋅6156713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964428389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991107094 + ... + 991107097.

It is an arithmetic number, because the mean of its divisors is an integer number (1486660644).

Almost surely, 2^3964428382 is an apocalyptic number.

3964428382 is a deficient number, since it is larger than the sum of its proper divisors (1982214194).

3964428382 is a wasteful number, since it uses less digits than its factorization.

3964428382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982214193.

The product of its digits is 1990656, while the sum is 49.

The square root of 3964428382 is about 62963.7068635575. The cubic root of 3964428382 is about 1582.6814986989.

The spelling of 3964428382 in words is "three billion, nine hundred sixty-four million, four hundred twenty-eight thousand, three hundred eighty-two".