8426943 has 16 divisors (see below), whose sum is σ = 14268160. Its totient is φ = 4815288.

The previous prime is 8426939. The next prime is 8426953. The reversal of 8426943 is 3496248.

It is a happy number.

8426943 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8426943 - 2² = 8426939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8426898 and 8426907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8426903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22105 + ... + 22482.

It is an arithmetic number, because the mean of its divisors is an integer number (891760).

Almost surely, 2^8426943 is an apocalyptic number.

8426943 is a deficient number, since it is larger than the sum of its proper divisors (5841217).

8426943 is a wasteful number, since it uses less digits than its factorization.

8426943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44603 (or 44597 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 8426943 is about 2902.9197370923. The cubic root of 8426943 is about 203.4963788251.

The spelling of 8426943 in words is "eight million, four hundred twenty-six thousand, nine hundred forty-three".