3891400106 has 16 divisors (see below), whose sum is σ = 6475675680. Its totient is φ = 1738837680.

The previous prime is 3891400081. The next prime is 3891400169. The reversal of 3891400106 is 6010041983.

It is a happy number.

It is a super-2 number, since 2×3891400106² = 30285989569953622472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497701 + ... + 1500296.

It is an arithmetic number, because the mean of its divisors is an integer number (404729730).

Almost surely, 2^3891400106 is an apocalyptic number.

3891400106 is a deficient number, since it is larger than the sum of its proper divisors (2584275574).

3891400106 is a wasteful number, since it uses less digits than its factorization.

3891400106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998069.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 3891400106 is about 62381.0877269706. The cubic root of 3891400106 is about 1572.9030773825.

The spelling of 3891400106 in words is "three billion, eight hundred ninety-one million, four hundred thousand, one hundred six".