8420214 has 16 divisors (see below), whose sum is σ = 18371520. Its totient is φ = 2551560.

The previous prime is 8420207. The next prime is 8420221. The reversal of 8420214 is 4120248.

8420214 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8420207) and next prime (8420221).

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, 63724 + ... + 63855.

It is an arithmetic number, because the mean of its divisors is an integer number (1148220).

Almost surely, 2^8420214 is an apocalyptic number.

8420214 is an abundant number, since it is smaller than the sum of its proper divisors (9951306).

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

8420214 is a wasteful number, since it uses less digits than its factorization.

8420214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127595.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 8420214 is about 2901.7605001102. The cubic root of 8420214 is about 203.4421997565.

The spelling of 8420214 in words is "eight million, four hundred twenty thousand, two hundred fourteen".