3881742 has 8 divisors (see below), whose sum is σ = 7763496. Its totient is φ = 1293912.

The previous prime is 3881741. The next prime is 3881743. The reversal of 3881742 is 2471883.

It is an interprime number because it is at equal distance from previous prime (3881741) and next prime (3881743).

It is a sphenic number, since it is the product of 3 distinct primes.

3881742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 323473 + ... + 323484.

It is an arithmetic number, because the mean of its divisors is an integer number (970437).

Almost surely, 2^3881742 is an apocalyptic number.

3881742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3881742 is a wasteful number, since it uses less digits than its factorization.

3881742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646962.

The product of its digits is 10752, while the sum is 33.

The square root of 3881742 is about 1970.2136939936. The cubic root of 3881742 is about 157.1600731237.

The spelling of 3881742 in words is "three million, eight hundred eighty-one thousand, seven hundred forty-two".