4305420 has 192 divisors, whose sum is σ = 16450560. Its totient is φ = 912384.

The previous prime is 4305409. The next prime is 4305443. The reversal of 4305420 is 245034.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4305393 and 4305402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64227 + ... + 64293.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

Almost surely, 2^4305420 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 4305420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8225280).

4305420 is an abundant number, since it is smaller than the sum of its proper divisors (12145140).

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

4305420 is a wasteful number, since it uses less digits than its factorization.

4305420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4305420 is about 2074.9506018216. The cubic root of 4305420 is about 162.6816272931.

The spelling of 4305420 in words is "four million, three hundred five thousand, four hundred twenty".