4385898 has 48 divisors (see below), whose sum is σ = 10984896. Its totient is φ = 1249920.

The previous prime is 4385897. The next prime is 4385923. The reversal of 4385898 is 8985834.

It is a super-2 number, since 2×4385898² = 38472202532808, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4385897) 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 23 ways as a sum of consecutive naturals, for example, 2715 + ... + 4017.

It is an arithmetic number, because the mean of its divisors is an integer number (228852).

Almost surely, 2^4385898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4385898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5492448).

4385898 is an abundant number, since it is smaller than the sum of its proper divisors (6598998).

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

4385898 is a wasteful number, since it uses less digits than its factorization.

4385898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1336 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 4385898 is about 2094.2535663095. The cubic root of 4385898 is about 163.6890051174.

It can be divided in two parts, 43858 and 98, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 4385898 in words is "four million, three hundred eighty-five thousand, eight hundred ninety-eight".