38499218 has 8 divisors (see below), whose sum is σ = 58444848. Its totient is φ = 19017604.

The previous prime is 38499191. The next prime is 38499221. The reversal of 38499218 is 81299483.

It is a happy number.

38499218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×38499218² = 2964379573223048, which contains 22 as substring.

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 115796 + ... + 116127.

It is an arithmetic number, because the mean of its divisors is an integer number (7305606).

Almost surely, 2^38499218 is an apocalyptic number.

38499218 is a deficient number, since it is larger than the sum of its proper divisors (19945630).

38499218 is a wasteful number, since it uses less digits than its factorization.

38499218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232008.

The product of its digits is 124416, while the sum is 44.

The square root of 38499218 is about 6204.7738073197. The cubic root of 38499218 is about 337.6633846326.

The spelling of 38499218 in words is "thirty-eight million, four hundred ninety-nine thousand, two hundred eighteen".