3888478 has 32 divisors (see below), whose sum is σ = 6943968. Its totient is φ = 1612800.

The previous prime is 3888463. The next prime is 3888503. The reversal of 3888478 is 8748883.

It is a super-2 number, since 2×3888478² = 30240522312968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13698 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (216999).

Almost surely, 2^3888478 is an apocalyptic number.

3888478 is a deficient number, since it is larger than the sum of its proper divisors (3055490).

3888478 is a wasteful number, since it uses less digits than its factorization.

3888478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its digits is 344064, while the sum is 46.

The square root of 3888478 is about 1971.9224122668. The cubic root of 3888478 is about 157.2509273925.

The spelling of 3888478 in words is "three million, eight hundred eighty-eight thousand, four hundred seventy-eight".