4782390 has 64 divisors (see below), whose sum is σ = 12441600. Its totient is φ = 1172864.

The previous prime is 4782383. The next prime is 4782397. The reversal of 4782390 is 932874.

4782390 is digitally balanced in base 4, 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 (4782383) and next prime (4782397).

It is a super-2 number, since 2×4782390² = 45742508224200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19891 + ... + 20129.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

Almost surely, 2^4782390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4782390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6220800).

4782390 is an abundant number, since it is smaller than the sum of its proper divisors (7659210).

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

4782390 is a wasteful number, since it uses less digits than its factorization.

4782390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 4782390 is about 2186.8676228798. The cubic root of 4782390 is about 168.4799906972.

The spelling of 4782390 in words is "four million, seven hundred eighty-two thousand, three hundred ninety".