4890420 has 72 divisors (see below), whose sum is σ = 15036840. Its totient is φ = 1286400.

The previous prime is 4890419. The next prime is 4890481. The reversal of 4890420 is 240984.

4890420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 580644 + 4309776 = 762^2 + 2076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18046 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (208845).

Almost surely, 2^4890420 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 4890420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7518420).

4890420 is an abundant number, since it is smaller than the sum of its proper divisors (10146420).

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

4890420 is a wasteful number, since it uses less digits than its factorization.

4890420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4890420 is about 2211.4294019932. The cubic root of 4890420 is about 169.7391616963.

The spelling of 4890420 in words is "four million, eight hundred ninety thousand, four hundred twenty".