8370420 has 48 divisors (see below), whose sum is σ = 23831808. Its totient is φ = 2194560.

The previous prime is 8370407. The next prime is 8370433. The reversal of 8370420 is 240738.

8370420 is digitally balanced in base 5, because in such base 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 (8370407) and next prime (8370433).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2517 + ... + 4803.

It is an arithmetic number, because the mean of its divisors is an integer number (496496).

Almost surely, 2^8370420 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 8370420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11915904).

8370420 is an abundant number, since it is smaller than the sum of its proper divisors (15461388).

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

8370420 is a wasteful number, since it uses less digits than its factorization.

8370420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360 (or 2358 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 8370420 is about 2893.1678140060. The cubic root of 8370420 is about 203.0403795850.

The spelling of 8370420 in words is "eight million, three hundred seventy thousand, four hundred twenty".