38212775 has 12 divisors (see below), whose sum is σ = 49444752. Its totient is φ = 29240640.

The previous prime is 38212771. The next prime is 38212789. The reversal of 38212775 is 57721283.

It is not a de Polignac number, because 38212775 - 2² = 38212771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38212771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32654 + ... + 33803.

It is an arithmetic number, because the mean of its divisors is an integer number (4120396).

Almost surely, 2^38212775 is an apocalyptic number.

38212775 is a deficient number, since it is larger than the sum of its proper divisors (11231977).

38212775 is a wasteful number, since it uses less digits than its factorization.

38212775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66490 (or 66485 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 38212775 is about 6181.6482429850. The cubic root of 38212775 is about 336.8238681383.

The spelling of 38212775 in words is "thirty-eight million, two hundred twelve thousand, seven hundred seventy-five".