8265420 has 72 divisors (see below), whose sum is σ = 25631424. Its totient is φ = 2155008.

The previous prime is 8265419. The next prime is 8265427. The reversal of 8265420 is 245628.

8265420 is a `hidden beast` number, since 8 + 2 + 654 + 2 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (8265427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7972 + ... + 8948.

It is an arithmetic number, because the mean of its divisors is an integer number (355992).

Almost surely, 2^8265420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8265420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12815712).

8265420 is an abundant number, since it is smaller than the sum of its proper divisors (17366004).

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

8265420 is a wasteful number, since it uses less digits than its factorization.

8265420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8265420 is about 2874.9643476050. The cubic root of 8265420 is about 202.1878134284.

The spelling of 8265420 in words is "eight million, two hundred sixty-five thousand, four hundred twenty".