38418836 has 12 divisors (see below), whose sum is σ = 70771680. Its totient is φ = 18198360.

The previous prime is 38418833. The next prime is 38418841. The reversal of 38418836 is 63881483.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38418793 and 38418802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38418833) 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 3 ways as a sum of consecutive naturals, for example, 252680 + ... + 252831.

It is an arithmetic number, because the mean of its divisors is an integer number (5897640).

Almost surely, 2^38418836 is an apocalyptic number.

It is an amenable number.

38418836 is a deficient number, since it is larger than the sum of its proper divisors (32352844).

38418836 is a wasteful number, since it uses less digits than its factorization.

38418836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505534 (or 505532 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 38418836 is about 6198.2929908161. The cubic root of 38418836 is about 337.4282199428.

The spelling of 38418836 in words is "thirty-eight million, four hundred eighteen thousand, eight hundred thirty-six".