38784105 has 48 divisors (see below), whose sum is σ = 69638400. Its totient is φ = 19958400.

The previous prime is 38784091. The next prime is 38784113. The reversal of 38784105 is 50148783.

It is not a de Polignac number, because 38784105 - 2⁶ = 38784041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38784105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194796 + ... + 194994.

It is an arithmetic number, because the mean of its divisors is an integer number (1450800).

Almost surely, 2^38784105 is an apocalyptic number.

It is an amenable number.

38784105 is a deficient number, since it is larger than the sum of its proper divisors (30854295).

38784105 is a wasteful number, since it uses less digits than its factorization.

38784105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 38784105 is about 6227.6885760288. The cubic root of 38784105 is about 338.4942205740.

The spelling of 38784105 in words is "thirty-eight million, seven hundred eighty-four thousand, one hundred five".