3893039478 has 48 divisors (see below), whose sum is σ = 8818258176. Its totient is φ = 1238917680.

The previous prime is 3893039467. The next prime is 3893039483. The reversal of 3893039478 is 8749303983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217863 + ... + 235053.

It is an arithmetic number, because the mean of its divisors is an integer number (183713712).

Almost surely, 2^3893039478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3893039478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4409129088).

3893039478 is an abundant number, since it is smaller than the sum of its proper divisors (4925218698).

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

3893039478 is a wasteful number, since it uses less digits than its factorization.

3893039478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17769 (or 17766 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 3893039478 is about 62394.2263194280. The cubic root of 3893039478 is about 1573.1239243080.

The spelling of 3893039478 in words is "three billion, eight hundred ninety-three million, thirty-nine thousand, four hundred seventy-eight".