4389970 has 16 divisors (see below), whose sum is σ = 8510040. Its totient is φ = 1620864.

The previous prime is 4389947. The next prime is 4389971. The reversal of 4389970 is 799834.

It can be written as a sum of positive squares in 4 ways, for example, as 3493161 + 896809 = 1869^2 + 947^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4389971) 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, 16755 + ... + 17014.

Almost surely, 2^4389970 is an apocalyptic number.

4389970 is a deficient number, since it is larger than the sum of its proper divisors (4120070).

4389970 is a wasteful number, since it uses less digits than its factorization.

4389970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33789.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 4389970 is about 2095.2255248541. The cubic root of 4389970 is about 163.7396473847.

The spelling of 4389970 in words is "four million, three hundred eighty-nine thousand, nine hundred seventy".