38620678 has 4 divisors (see below), whose sum is σ = 57931020. Its totient is φ = 19310338.

The previous prime is 38620667. The next prime is 38620679. The reversal of 38620678 is 87602683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38620678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38620679) 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 as a sum of consecutive naturals, namely, 9655168 + ... + 9655171.

It is an arithmetic number, because the mean of its divisors is an integer number (14482755).

Almost surely, 2^38620678 is an apocalyptic number.

38620678 is a deficient number, since it is larger than the sum of its proper divisors (19310342).

38620678 is a wasteful number, since it uses less digits than its factorization.

38620678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19310341.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 38620678 is about 6214.5537249267. The cubic root of 38620678 is about 338.0181064726.

The spelling of 38620678 in words is "thirty-eight million, six hundred twenty thousand, six hundred seventy-eight".