3986862220292 has 54 divisors (see below), whose sum is σ = 8593779191886. Its totient is φ = 1608099615360.

The previous prime is 3986862220267. The next prime is 3986862220307. The reversal of 3986862220292 is 2920222686893.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3752340913216 + 234521307076 = 1937096^2 + 484274^2 .

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 17 ways as a sum of consecutive naturals, for example, 115239917 + ... + 115274507.

It is an arithmetic number, because the mean of its divisors is an integer number (159144059109).

Almost surely, 2^{3986862220292} is an apocalyptic number.

It is an amenable number.

3986862220292 is an abundant number, since it is smaller than the sum of its proper divisors (4606916971594).

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

3986862220292 is an frugal number, since it uses more digits than its factorization.

3986862220292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69217 (or 34617 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 3986862220292 in words is "three trillion, nine hundred eighty-six billion, eight hundred sixty-two million, two hundred twenty thousand, two hundred ninety-two".