8420058 has 32 divisors (see below), whose sum is σ = 18817920. Its totient is φ = 2790720.

The previous prime is 8420051. The next prime is 8420119. The reversal of 8420058 is 8500248.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8420051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12691 + ... + 13337.

It is an arithmetic number, because the mean of its divisors is an integer number (588060).

Almost surely, 2^8420058 is an apocalyptic number.

8420058 is an abundant number, since it is smaller than the sum of its proper divisors (10397862).

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

8420058 is a wasteful number, since it uses less digits than its factorization.

8420058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 8420058 is about 2901.7336197522. The cubic root of 8420058 is about 203.4409433680.

The spelling of 8420058 in words is "eight million, four hundred twenty thousand, fifty-eight".