3962861287 has 8 divisors (see below), whose sum is σ = 4940710272. Its totient is φ = 3087943800.

The previous prime is 3962861233. The next prime is 3962861299. The reversal of 3962861287 is 7821682693.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3962861287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3962861587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25732789 + ... + 25732942.

It is an arithmetic number, because the mean of its divisors is an integer number (617588784).

Almost surely, 2^3962861287 is an apocalyptic number.

3962861287 is a deficient number, since it is larger than the sum of its proper divisors (977848985).

3962861287 is a wasteful number, since it uses less digits than its factorization.

3962861287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51465749.

The product of its digits is 1741824, while the sum is 52.

The square root of 3962861287 is about 62951.2612026161. The cubic root of 3962861287 is about 1582.4729323436.

The spelling of 3962861287 in words is "three billion, nine hundred sixty-two million, eight hundred sixty-one thousand, two hundred eighty-seven".