3844642 has 8 divisors (see below), whose sum is σ = 5788332. Its totient is φ = 1915200.

The previous prime is 3844637. The next prime is 3844649. The reversal of 3844642 is 2464483.

It can be written as a sum of positive squares in 2 ways, for example, as 3651921 + 192721 = 1911^2 + 439^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3844649) 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, 2859 + ... + 3982.

Almost surely, 2^3844642 is an apocalyptic number.

3844642 is a deficient number, since it is larger than the sum of its proper divisors (1943690).

3844642 is a wasteful number, since it uses less digits than its factorization.

3844642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124.

The product of its digits is 18432, while the sum is 31.

The square root of 3844642 is about 1960.7758668446. The cubic root of 3844642 is about 156.6577802917.

The spelling of 3844642 in words is "three million, eight hundred forty-four thousand, six hundred forty-two".