38540678 has 24 divisors (see below), whose sum is σ = 64519896. Its totient is φ = 17249760.

The previous prime is 38540641. The next prime is 38540701. The reversal of 38540678 is 87604583.

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 in 11 ways as a sum of consecutive naturals, for example, 15026 + ... + 17402.

It is an arithmetic number, because the mean of its divisors is an integer number (2688329).

Almost surely, 2^38540678 is an apocalyptic number.

38540678 is a deficient number, since it is larger than the sum of its proper divisors (25979218).

38540678 is a wasteful number, since it uses less digits than its factorization.

38540678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 38540678 is about 6208.1138842647. The cubic root of 38540678 is about 337.7845516092.

The spelling of 38540678 in words is "thirty-eight million, five hundred forty thousand, six hundred seventy-eight".