3861081326 has 8 divisors (see below), whose sum is σ = 5792260320. Its totient is φ = 1930327888.

The previous prime is 3861081307. The next prime is 3861081331. The reversal of 3861081326 is 6231801683.

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 3861081326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82646 + ... + 120633.

It is an arithmetic number, because the mean of its divisors is an integer number (724032540).

Almost surely, 2^3861081326 is an apocalyptic number.

3861081326 is a deficient number, since it is larger than the sum of its proper divisors (1931178994).

3861081326 is a wasteful number, since it uses less digits than its factorization.

3861081326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212778.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3861081326 is about 62137.5999375579. The cubic root of 3861081326 is about 1568.8074742074.

The spelling of 3861081326 in words is "three billion, eight hundred sixty-one million, eighty-one thousand, three hundred twenty-six".