3888740 has 24 divisors (see below), whose sum is σ = 8236032. Its totient is φ = 1542240.

The previous prime is 3888721. The next prime is 3888761. The reversal of 3888740 is 478883.

It is a junction number, because it is equal to n+sod(n) for n = 3888694 and 3888703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775 + ... + 3305.

It is an arithmetic number, because the mean of its divisors is an integer number (343168).

Almost surely, 2^3888740 is an apocalyptic number.

It is an amenable number.

3888740 is an abundant number, since it is smaller than the sum of its proper divisors (4347292).

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

3888740 is a wasteful number, since it uses less digits than its factorization.

3888740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 3888740 is about 1971.9888437818. The cubic root of 3888740 is about 157.2544590929.

The spelling of 3888740 in words is "three million, eight hundred eighty-eight thousand, seven hundred forty".