4385749 has 4 divisors (see below), whose sum is σ = 4419360. Its totient is φ = 4352140.

The previous prime is 4385743. The next prime is 4385783. The reversal of 4385749 is 9475834.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4385749 - 2¹³ = 4377557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4385743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16609 + ... + 16870.

It is an arithmetic number, because the mean of its divisors is an integer number (1104840).

Almost surely, 2^4385749 is an apocalyptic number.

It is an amenable number.

4385749 is a deficient number, since it is larger than the sum of its proper divisors (33611).

4385749 is a wasteful number, since it uses less digits than its factorization.

4385749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33610.

The product of its digits is 120960, while the sum is 40.

The square root of 4385749 is about 2094.2179924736. The cubic root of 4385749 is about 163.6871514538.

The spelling of 4385749 in words is "four million, three hundred eighty-five thousand, seven hundred forty-nine".