8258420 has 24 divisors (see below), whose sum is σ = 17604384. Its totient is φ = 3253536.

The previous prime is 8258401. The next prime is 8258441. The reversal of 8258420 is 248528.

8258420 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, 1742 + ... + 4421.

It is an arithmetic number, because the mean of its divisors is an integer number (733516).

Almost surely, 2^8258420 is an apocalyptic number.

It is an amenable number.

8258420 is an abundant number, since it is smaller than the sum of its proper divisors (9345964).

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

8258420 is a wasteful number, since it uses less digits than its factorization.

8258420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239 (or 6237 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 8258420 is about 2873.7466833387. The cubic root of 8258420 is about 202.1307195592.

The spelling of 8258420 in words is "eight million, two hundred fifty-eight thousand, four hundred twenty".