7844342 has 8 divisors (see below), whose sum is σ = 12836232. Its totient is φ = 3565600.

The previous prime is 7844341. The next prime is 7844351. The reversal of 7844342 is 2434487.

7844342 is nontrivially palindromic in base 12.

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

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 7844299 and 7844308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7844341) 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, 178259 + ... + 178302.

It is an arithmetic number, because the mean of its divisors is an integer number (1604529).

Almost surely, 2^7844342 is an apocalyptic number.

7844342 is a deficient number, since it is larger than the sum of its proper divisors (4991890).

7844342 is a wasteful number, since it uses less digits than its factorization.

7844342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356574.

The product of its digits is 21504, while the sum is 32.

The square root of 7844342 is about 2800.7752498192. The cubic root of 7844342 is about 198.6943448717.

The spelling of 7844342 in words is "seven million, eight hundred forty-four thousand, three hundred forty-two".