8426420 has 24 divisors (see below), whose sum is σ = 18267648. Its totient is φ = 3261600.

The previous prime is 8426419. The next prime is 8426449. The reversal of 8426420 is 246248.

It is a self number, because there is not a number n which added to its sum of digits gives 8426420.

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, 6176 + ... + 7415.

It is an arithmetic number, because the mean of its divisors is an integer number (761152).

Almost surely, 2^8426420 is an apocalyptic number.

It is an amenable number.

8426420 is an abundant number, since it is smaller than the sum of its proper divisors (9841228).

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

8426420 is a wasteful number, since it uses less digits than its factorization.

8426420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631 (or 13629 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 8426420 is about 2902.8296539756. The cubic root of 8426420 is about 203.4921688837.

The spelling of 8426420 in words is "eight million, four hundred twenty-six thousand, four hundred twenty".