3894398473 has 8 divisors (see below), whose sum is σ = 4455142848. Its totient is φ = 3334754544.

The previous prime is 3894398449. The next prime is 3894398477. The reversal of 3894398473 is 3748934983.

3894398473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3894398473 - 2¹³ = 3894390281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3894398477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267511 + ... + 281692.

It is an arithmetic number, because the mean of its divisors is an integer number (556892856).

Almost surely, 2^3894398473 is an apocalyptic number.

It is an amenable number.

3894398473 is a deficient number, since it is larger than the sum of its proper divisors (560744375).

3894398473 is a wasteful number, since it uses less digits than its factorization.

3894398473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550223.

The product of its digits is 15676416, while the sum is 58.

The square root of 3894398473 is about 62405.1157598478. The cubic root of 3894398473 is about 1573.3069534333.

The spelling of 3894398473 in words is "three billion, eight hundred ninety-four million, three hundred ninety-eight thousand, four hundred seventy-three".