3879742 has 8 divisors (see below), whose sum is σ = 5871456. Its totient is φ = 1922592.

The previous prime is 3879739. The next prime is 3879749. The reversal of 3879742 is 2479783.

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

It is a junction number, because it is equal to n+sod(n) for n = 3879695 and 3879704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3879749) 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, 8358 + ... + 8809.

It is an arithmetic number, because the mean of its divisors is an integer number (733932).

Almost surely, 2^3879742 is an apocalyptic number.

3879742 is a deficient number, since it is larger than the sum of its proper divisors (1991714).

3879742 is a wasteful number, since it uses less digits than its factorization.

3879742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17282.

The product of its digits is 84672, while the sum is 40.

The square root of 3879742 is about 1969.7060694428. The cubic root of 3879742 is about 157.1330771560.

The spelling of 3879742 in words is "three million, eight hundred seventy-nine thousand, seven hundred forty-two".