4386538 has 8 divisors (see below), whose sum is σ = 7085988. Its totient is φ = 2024544.

The previous prime is 4386533. The next prime is 4386541. The reversal of 4386538 is 8356834.

It can be written as a sum of positive squares in 2 ways, for example, as 4149369 + 237169 = 2037^2 + 487^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4386497 and 4386506.

It is not an unprimeable number, because it can be changed into a prime (4386533) 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, 84331 + ... + 84382.

Almost surely, 2^4386538 is an apocalyptic number.

4386538 is a deficient number, since it is larger than the sum of its proper divisors (2699450).

4386538 is a wasteful number, since it uses less digits than its factorization.

4386538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168728.

The product of its digits is 69120, while the sum is 37.

The square root of 4386538 is about 2094.4063598070. The cubic root of 4386538 is about 163.6969666848.

The spelling of 4386538 in words is "four million, three hundred eighty-six thousand, five hundred thirty-eight".