3926223786 has 32 divisors (see below), whose sum is σ = 8285950080. Its totient is φ = 1237769984.

The previous prime is 3926223781. The next prime is 3926223793. The reversal of 3926223786 is 6873226293.

3926223786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3926223786³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3926223781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147555 + ... + 172118.

It is an arithmetic number, because the mean of its divisors is an integer number (258935940).

Almost surely, 2^3926223786 is an apocalyptic number.

3926223786 is an abundant number, since it is smaller than the sum of its proper divisors (4359726294).

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

3926223786 is a wasteful number, since it uses less digits than its factorization.

3926223786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319790.

The product of its digits is 1306368, while the sum is 48.

The square root of 3926223786 is about 62659.5865450770. The cubic root of 3926223786 is about 1577.5810587381.

The spelling of 3926223786 in words is "three billion, nine hundred twenty-six million, two hundred twenty-three thousand, seven hundred eighty-six".