4385634 has 16 divisors (see below), whose sum is σ = 9568800. Its totient is φ = 1328960.

The previous prime is 4385629. The next prime is 4385639. The reversal of 4385634 is 4365834.

It is an interprime number because it is at equal distance from previous prime (4385629) and next prime (4385639).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

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

It is a junction number, because it is equal to n+sod(n) for n = 4385595 and 4385604.

It is not an unprimeable number, because it can be changed into a prime (4385639) 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, 33159 + ... + 33290.

It is an arithmetic number, because the mean of its divisors is an integer number (598050).

Almost surely, 2^4385634 is an apocalyptic number.

4385634 is an abundant number, since it is smaller than the sum of its proper divisors (5183166).

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

4385634 is a wasteful number, since it uses less digits than its factorization.

4385634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66465.

The product of its digits is 34560, while the sum is 33.

The square root of 4385634 is about 2094.1905357441. The cubic root of 4385634 is about 163.6857207452.

The spelling of 4385634 in words is "four million, three hundred eighty-five thousand, six hundred thirty-four".