3894213169 has 32 divisors (see below), whose sum is σ = 4983793920. Its totient is φ = 2954342400.

The previous prime is 3894213157. The next prime is 3894213187. The reversal of 3894213169 is 9613124983.

It is a happy number.

3894213169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3894213169 - 2⁹ = 3894212657 is a prime.

It is a super-2 number, since 2×3894213169² = 30329792411226045122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3894213269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2060577 + ... + 2062465.

It is an arithmetic number, because the mean of its divisors is an integer number (155743560).

Almost surely, 2^3894213169 is an apocalyptic number.

It is an amenable number.

3894213169 is a deficient number, since it is larger than the sum of its proper divisors (1089580751).

3894213169 is a wasteful number, since it uses less digits than its factorization.

3894213169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601.

The product of its digits is 279936, while the sum is 46.

The square root of 3894213169 is about 62403.6310562134. The cubic root of 3894213169 is about 1573.2819992418.

The spelling of 3894213169 in words is "three billion, eight hundred ninety-four million, two hundred thirteen thousand, one hundred sixty-nine".