38213715 has 8 divisors (see below), whose sum is σ = 61141968. Its totient is φ = 20380640.

The previous prime is 38213701. The next prime is 38213719. The reversal of 38213715 is 51731283.

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

It is not a de Polignac number, because 38213715 - 2⁴ = 38213699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38213719) 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 7 ways as a sum of consecutive naturals, for example, 1273776 + ... + 1273805.

It is an arithmetic number, because the mean of its divisors is an integer number (7642746).

Almost surely, 2^38213715 is an apocalyptic number.

38213715 is a deficient number, since it is larger than the sum of its proper divisors (22928253).

38213715 is a wasteful number, since it uses less digits than its factorization.

38213715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547589.

The product of its digits is 5040, while the sum is 30.

The square root of 38213715 is about 6181.7242740193. The cubic root of 38213715 is about 336.8266299707.

Adding to 38213715 its reverse (51731283), we get a palindrome (89944998).

The spelling of 38213715 in words is "thirty-eight million, two hundred thirteen thousand, seven hundred fifteen".