8426940 has 24 divisors (see below), whose sum is σ = 23595600. Its totient is φ = 2247168.

The previous prime is 8426939. The next prime is 8426953. The reversal of 8426940 is 496248.

8426940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70165 + ... + 70284.

It is an arithmetic number, because the mean of its divisors is an integer number (983150).

Almost surely, 2^8426940 is an apocalyptic number.

It is an amenable number.

8426940 is an abundant number, since it is smaller than the sum of its proper divisors (15168660).

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

8426940 is a wasteful number, since it uses less digits than its factorization.

8426940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140461 (or 140459 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 8426940 is about 2902.9192203711. The cubic root of 8426940 is about 203.4963546768.

The spelling of 8426940 in words is "eight million, four hundred twenty-six thousand, nine hundred forty".