38629215 has 12 divisors (see below), whose sum is σ = 66957384. Its totient is φ = 20602224.

The previous prime is 38629169. The next prime is 38629243. The reversal of 38629215 is 51292683.

38629215 is a `hidden beast` number, since 3 + 8 + 629 + 21 + 5 = 666.

It is not a de Polignac number, because 38629215 - 2¹¹ = 38627167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38629215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429169 + ... + 429258.

It is an arithmetic number, because the mean of its divisors is an integer number (5579782).

Almost surely, 2^38629215 is an apocalyptic number.

38629215 is a deficient number, since it is larger than the sum of its proper divisors (28328169).

38629215 is a wasteful number, since it uses less digits than its factorization.

38629215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858438 (or 858435 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 38629215 is about 6215.2405424086. The cubic root of 38629215 is about 338.0430106442.

The spelling of 38629215 in words is "thirty-eight million, six hundred twenty-nine thousand, two hundred fifteen".