7842444 has 12 divisors (see below), whose sum is σ = 18299064. Its totient is φ = 2614144.

The previous prime is 7842437. The next prime is 7842451. The reversal of 7842444 is 4442487.

It is an interprime number because it is at equal distance from previous prime (7842437) and next prime (7842451).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×7842444³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

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, 326757 + ... + 326780.

It is an arithmetic number, because the mean of its divisors is an integer number (1524922).

Almost surely, 2^7842444 is an apocalyptic number.

It is an amenable number.

7842444 is an abundant number, since it is smaller than the sum of its proper divisors (10456620).

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

7842444 is a wasteful number, since it uses less digits than its factorization.

7842444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653544 (or 653542 counting only the distinct ones).

The product of its digits is 28672, while the sum is 33.

The square root of 7842444 is about 2800.4363945642. The cubic root of 7842444 is about 198.6783183613.

The spelling of 7842444 in words is "seven million, eight hundred forty-two thousand, four hundred forty-four".