4248390 has 16 divisors (see below), whose sum is σ = 10196208. Its totient is φ = 1132896.

The previous prime is 4248389. The next prime is 4248397. The reversal of 4248390 is 938424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 141613 = 4248390 / (4 + 2 + 4 + 8 + 3 + 9 + 0).

It is a d-powerful number, because it can be written as 4 + 2¹³ + 4¹¹ + 8⁵ + 3⁸ + 9⁴ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4248397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70777 + ... + 70836.

It is an arithmetic number, because the mean of its divisors is an integer number (637263).

Almost surely, 2^4248390 is an apocalyptic number.

4248390 is an abundant number, since it is smaller than the sum of its proper divisors (5947818).

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

4248390 is a wasteful number, since it uses less digits than its factorization.

4248390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141623.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4248390 is about 2061.1622934645. The cubic root of 4248390 is about 161.9601334609.

The spelling of 4248390 in words is "four million, two hundred forty-eight thousand, three hundred ninety".