38667678 has 32 divisors (see below), whose sum is σ = 88638720. Its totient is φ = 11016000.

The previous prime is 38667677. The next prime is 38667683. The reversal of 38667678 is 87676683.

It is a self number, because there is not a number n which added to its sum of digits gives 38667678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38667677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16053 + ... + 18303.

It is an arithmetic number, because the mean of its divisors is an integer number (2769960).

Almost surely, 2^38667678 is an apocalyptic number.

38667678 is an abundant number, since it is smaller than the sum of its proper divisors (49971042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38667678 is a wasteful number, since it uses less digits than its factorization.

38667678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672.

The product of its digits is 2032128, while the sum is 51.

The square root of 38667678 is about 6218.3340212633. The cubic root of 38667678 is about 338.1551695832.

The spelling of 38667678 in words is "thirty-eight million, six hundred sixty-seven thousand, six hundred seventy-eight".