38540212 has 12 divisors (see below), whose sum is σ = 69014176. Its totient is φ = 18821880.

The previous prime is 38540167. The next prime is 38540213. The reversal of 38540212 is 21204583.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38540213) 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 3 ways as a sum of consecutive naturals, for example, 111864 + ... + 112207.

Almost surely, 2^38540212 is an apocalyptic number.

It is an amenable number.

38540212 is a deficient number, since it is larger than the sum of its proper divisors (30473964).

38540212 is a wasteful number, since it uses less digits than its factorization.

38540212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224118 (or 224116 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 38540212 is about 6208.0763526233. The cubic root of 38540212 is about 337.7831902058.

Adding to 38540212 its reverse (21204583), we get a palindrome (59744795).

The spelling of 38540212 in words is "thirty-eight million, five hundred forty thousand, two hundred twelve".