4024018 has 4 divisors (see below), whose sum is σ = 6036030. Its totient is φ = 2012008.

The previous prime is 4024003. The next prime is 4024021. The reversal of 4024018 is 8104204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3108169 + 915849 = 1763^2 + 957^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4023986 and 4024004.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1006003 + ... + 1006006.

Almost surely, 2^4024018 is an apocalyptic number.

4024018 is a deficient number, since it is larger than the sum of its proper divisors (2012012).

4024018 is a wasteful number, since it uses less digits than its factorization.

4024018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012011.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4024018 is about 2005.9955134546. The cubic root of 4024018 is about 159.0571897170.

The spelling of 4024018 in words is "four million, twenty-four thousand, eighteen".