3894022471 has 4 divisors (see below), whose sum is σ = 3920157000. Its totient is φ = 3867887944.

The previous prime is 3894022463. The next prime is 3894022481. The reversal of 3894022471 is 1742204983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3894022471 - 2³ = 3894022463 is a prime.

It is a super-3 number, since 3×3894022471³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13067041 + ... + 13067338.

It is an arithmetic number, because the mean of its divisors is an integer number (980039250).

Almost surely, 2^3894022471 is an apocalyptic number.

3894022471 is a deficient number, since it is larger than the sum of its proper divisors (26134529).

3894022471 is a wasteful number, since it uses less digits than its factorization.

3894022471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26134528.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 3894022471 is about 62402.1030975720. The cubic root of 3894022471 is about 1573.2563178341.

The spelling of 3894022471 in words is "three billion, eight hundred ninety-four million, twenty-two thousand, four hundred seventy-one".