4492385 has 4 divisors (see below), whose sum is σ = 5390868. Its totient is φ = 3593904.

The previous prime is 4492373. The next prime is 4492387. The reversal of 4492385 is 5832944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3125824 + 1366561 = 1768^2 + 1169^2 .

It is a cyclic number.

It is not a de Polignac number, because 4492385 - 2⁶ = 4492321 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 4¹¹ + 9 + 2¹⁵ + 3³ + 8 + 5⁵ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4492387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449234 + ... + 449243.

It is an arithmetic number, because the mean of its divisors is an integer number (1347717).

Almost surely, 2^4492385 is an apocalyptic number.

It is an amenable number.

4492385 is a deficient number, since it is larger than the sum of its proper divisors (898483).

4492385 is an equidigital number, since it uses as much as digits as its factorization.

4492385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898482.

The product of its digits is 34560, while the sum is 35.

The square root of 4492385 is about 2119.5247108727. The cubic root of 4492385 is about 165.0031832872.

It can be divided in two parts, 44 and 92385, that added together give a palindrome (92429).

The spelling of 4492385 in words is "four million, four hundred ninety-two thousand, three hundred eighty-five".