38678746 has 8 divisors (see below), whose sum is σ = 58233024. Its totient is φ = 19267740.

The previous prime is 38678729. The next prime is 38678749. The reversal of 38678746 is 64787683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38678746.

It is not an unprimeable number, because it can be changed into a prime (38678749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35140 + ... + 36223.

It is an arithmetic number, because the mean of its divisors is an integer number (7279128).

Almost surely, 2^38678746 is an apocalyptic number.

38678746 is a deficient number, since it is larger than the sum of its proper divisors (19554278).

38678746 is a wasteful number, since it uses less digits than its factorization.

38678746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71636.

The product of its digits is 1354752, while the sum is 49.

The square root of 38678746 is about 6219.2239065658. The cubic root of 38678746 is about 338.1874303288.

The spelling of 38678746 in words is "thirty-eight million, six hundred seventy-eight thousand, seven hundred forty-six".