4098385 has 8 divisors (see below), whose sum is σ = 4937256. Its totient is φ = 3265920.

The previous prime is 4098371. The next prime is 4098389. The reversal of 4098385 is 5838904.

4098385 = 1431² + 1432².

4098385 is digitally balanced in base 2, 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 2050624 + 2047761 = 1432^2 + 1431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4098385 - 2¹³ = 4090193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4098389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (617157).

Almost surely, 2^4098385 is an apocalyptic number.

4098385 is the 1432-nd centered square number.

It is an amenable number.

4098385 is a deficient number, since it is larger than the sum of its proper divisors (838871).

4098385 is a wasteful number, since it uses less digits than its factorization.

4098385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 4098385 is about 2024.4468380276. The cubic root of 4098385 is about 160.0310486620.

The spelling of 4098385 in words is "four million, ninety-eight thousand, three hundred eighty-five".