38646812 has 6 divisors (see below), whose sum is σ = 67631928. Its totient is φ = 19323404.

The previous prime is 38646787. The next prime is 38646841. The reversal of 38646812 is 21864683.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4830848 + ... + 4830855.

It is an arithmetic number, because the mean of its divisors is an integer number (11271988).

Almost surely, 2^38646812 is an apocalyptic number.

It is an amenable number.

38646812 is a deficient number, since it is larger than the sum of its proper divisors (28985116).

38646812 is a wasteful number, since it uses less digits than its factorization.

38646812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661707 (or 9661705 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 38646812 is about 6216.6560142894. The cubic root of 38646812 is about 338.0943331111.

It can be divided in two parts, 3864681 and 2, that added together give a palindrome (3864683).

The spelling of 38646812 in words is "thirty-eight million, six hundred forty-six thousand, eight hundred twelve".