7428843 has 12 divisors (see below), whose sum is σ = 11100960. Its totient is φ = 4781616.

The previous prime is 7428833. The next prime is 7428859. The reversal of 7428843 is 3488247.

It is not a de Polignac number, because 7428843 - 2⁸ = 7428587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7428798 and 7428807.

It is not an unprimeable number, because it can be changed into a prime (7428803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13971 + ... + 14492.

It is an arithmetic number, because the mean of its divisors is an integer number (925080).

Almost surely, 2^7428843 is an apocalyptic number.

7428843 is a deficient number, since it is larger than the sum of its proper divisors (3672117).

7428843 is a wasteful number, since it uses less digits than its factorization.

7428843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28498 (or 28495 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 7428843 is about 2725.5903947585. The cubic root of 7428843 is about 195.1223689527.

The spelling of 7428843 in words is "seven million, four hundred twenty-eight thousand, eight hundred forty-three".