3894398472 has 32 divisors (see below), whose sum is σ = 9737560800. Its totient is φ = 1297924224.

The previous prime is 3894398449. The next prime is 3894398477. The reversal of 3894398472 is 2748934983.

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, 238308 + ... + 254124.

It is an arithmetic number, because the mean of its divisors is an integer number (304298775).

Almost surely, 2^3894398472 is an apocalyptic number.

It is an amenable number.

3894398472 is an abundant number, since it is smaller than the sum of its proper divisors (5843162328).

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

3894398472 is a wasteful number, since it uses less digits than its factorization.

3894398472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26085 (or 26081 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The square root of 3894398472 is about 62405.1157518356. The cubic root of 3894398472 is about 1573.3069532986.

The spelling of 3894398472 in words is "three billion, eight hundred ninety-four million, three hundred ninety-eight thousand, four hundred seventy-two".