38218446 has 32 divisors (see below), whose sum is σ = 97063680. Its totient is φ = 10919448.

The previous prime is 38218441. The next prime is 38218483. The reversal of 38218446 is 64481283.

38218446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38218446² = 2921299229309832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38218446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38218441) 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 15 ways as a sum of consecutive naturals, for example, 50176 + ... + 50931.

It is an arithmetic number, because the mean of its divisors is an integer number (3033240).

Almost surely, 2^38218446 is an apocalyptic number.

38218446 is an abundant number, since it is smaller than the sum of its proper divisors (58845234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38218446 is a wasteful number, since it uses less digits than its factorization.

38218446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101125 (or 101119 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 38218446 is about 6182.1069224011. The cubic root of 38218446 is about 336.8405295268.

The spelling of 38218446 in words is "thirty-eight million, two hundred eighteen thousand, four hundred forty-six".