4389146 has 8 divisors (see below), whose sum is σ = 6642324. Its totient is φ = 2175040.

The previous prime is 4389137. The next prime is 4389169. The reversal of 4389146 is 6419834.

It can be written as a sum of positive squares in 2 ways, for example, as 4389025 + 121 = 2095^2 + 11^2 .

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9485 + ... + 9936.

Almost surely, 2^4389146 is an apocalyptic number.

4389146 is a deficient number, since it is larger than the sum of its proper divisors (2253178).

4389146 is a wasteful number, since it uses less digits than its factorization.

4389146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19536.

The product of its digits is 20736, while the sum is 35.

The square root of 4389146 is about 2095.0288780826. The cubic root of 4389146 is about 163.7294020670.

The spelling of 4389146 in words is "four million, three hundred eighty-nine thousand, one hundred forty-six".