4000609384 has 16 divisors (see below), whose sum is σ = 7503391620. Its totient is φ = 1999704960.

The previous prime is 4000609373. The next prime is 4000609387. The reversal of 4000609384 is 4839060004.

It can be written as a sum of positive squares in 2 ways, for example, as 3971772484 + 28836900 = 63022^2 + 5370^2 .

It is not an unprimeable number, because it can be changed into a prime (4000609387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45957 + ... + 100564.

Almost surely, 2^4000609384 is an apocalyptic number.

It is an amenable number.

4000609384 is a deficient number, since it is larger than the sum of its proper divisors (3502782236).

4000609384 is a wasteful number, since it uses less digits than its factorization.

4000609384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149940 (or 149936 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4000609384 is about 63250.3706234201. The cubic root of 4000609384 is about 1587.4816592752.

Adding to 4000609384 its reverse (4839060004), we get a palindrome (8839669388).

The spelling of 4000609384 in words is "four billion, six hundred nine thousand, three hundred eighty-four".