3891308226 has 16 divisors (see below), whose sum is σ = 8381279424. Its totient is φ = 1197325584.

The previous prime is 3891308219. The next prime is 3891308227. The reversal of 3891308226 is 6228031983.

It is not an unprimeable number, because it can be changed into a prime (3891308227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24944206 + ... + 24944361.

It is an arithmetic number, because the mean of its divisors is an integer number (523829964).

Almost surely, 2^3891308226 is an apocalyptic number.

3891308226 is an abundant number, since it is smaller than the sum of its proper divisors (4489971198).

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

3891308226 is a wasteful number, since it uses less digits than its factorization.

3891308226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49888585.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 3891308226 is about 62380.3512814732. The cubic root of 3891308226 is about 1572.8906979931.

The spelling of 3891308226 in words is "three billion, eight hundred ninety-one million, three hundred eight thousand, two hundred twenty-six".