3861742 has 8 divisors (see below), whose sum is σ = 5818176. Its totient is φ = 1922352.

The previous prime is 3861721. The next prime is 3861743. The reversal of 3861742 is 2471683.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3678 + ... + 4609.

It is an arithmetic number, because the mean of its divisors is an integer number (727272).

Almost surely, 2^3861742 is an apocalyptic number.

3861742 is a deficient number, since it is larger than the sum of its proper divisors (1956434).

3861742 is a wasteful number, since it uses less digits than its factorization.

3861742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8522.

The product of its digits is 8064, while the sum is 31.

The square root of 3861742 is about 1965.1315477596. The cubic root of 3861742 is about 156.8896949246.

The spelling of 3861742 in words is "three million, eight hundred sixty-one thousand, seven hundred forty-two".