3961786958 has 8 divisors (see below), whose sum is σ = 6017904480. Its totient is φ = 1955818800.

The previous prime is 3961786943. The next prime is 3961786963. The reversal of 3961786958 is 8596871693.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3961786958.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 12537143 + ... + 12537458.

It is an arithmetic number, because the mean of its divisors is an integer number (752238060).

Almost surely, 2^3961786958 is an apocalyptic number.

3961786958 is a deficient number, since it is larger than the sum of its proper divisors (2056117522).

3961786958 is a wasteful number, since it uses less digits than its factorization.

3961786958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25074682.

The product of its digits is 19595520, while the sum is 62.

The square root of 3961786958 is about 62942.7276021623. The cubic root of 3961786958 is about 1582.3299169738.

The spelling of 3961786958 in words is "three billion, nine hundred sixty-one million, seven hundred eighty-six thousand, nine hundred fifty-eight".