38212665 has 16 divisors (see below), whose sum is σ = 61772928. Its totient is φ = 20169216.

The previous prime is 38212663. The next prime is 38212673. The reversal of 38212665 is 56621283.

It is not a de Polignac number, because 38212665 - 2¹ = 38212663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38212663) 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 15 ways as a sum of consecutive naturals, for example, 11677 + ... + 14586.

It is an arithmetic number, because the mean of its divisors is an integer number (3860808).

Almost surely, 2^38212665 is an apocalyptic number.

It is an amenable number.

38212665 is a deficient number, since it is larger than the sum of its proper divisors (23560263).

38212665 is a wasteful number, since it uses less digits than its factorization.

38212665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26368.

The product of its digits is 17280, while the sum is 33.

The square root of 38212665 is about 6181.6393456752. The cubic root of 38212665 is about 336.8235449422.

The spelling of 38212665 in words is "thirty-eight million, two hundred twelve thousand, six hundred sixty-five".