3888742 has 16 divisors (see below), whose sum is σ = 6853392. Its totient is φ = 1631520.

The previous prime is 3888721. The next prime is 3888761. The reversal of 3888742 is 2478883.

It is a house number.

It is a junction number, because it is equal to n+sod(n) for n = 3888695 and 3888704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6513 + ... + 7084.

It is an arithmetic number, because the mean of its divisors is an integer number (428337).

Almost surely, 2^3888742 is an apocalyptic number.

3888742 is a deficient number, since it is larger than the sum of its proper divisors (2964650).

3888742 is a wasteful number, since it uses less digits than its factorization.

3888742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13623.

The product of its digits is 86016, while the sum is 40.

The square root of 3888742 is about 1971.9893508840. The cubic root of 3888742 is about 157.2544860518.

The spelling of 3888742 in words is "three million, eight hundred eighty-eight thousand, seven hundred forty-two".