38634768 has 30 divisors (see below), whose sum is σ = 108124094. Its totient is φ = 12878208.

The previous prime is 38634767. The next prime is 38634787. The reversal of 38634768 is 86743683.

38634768 is a `hidden beast` number, since 3 + 8 + 634 + 7 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37307664 + 1327104 = 6108^2 + 1152^2 .

It is not an unprimeable number, because it can be changed into a prime (38634763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134005 + ... + 134292.

Almost surely, 2^38634768 is an apocalyptic number.

It is an amenable number.

38634768 is an abundant number, since it is smaller than the sum of its proper divisors (69489326).

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

38634768 is a wasteful number, since it uses less digits than its factorization.

38634768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268311 (or 268302 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 38634768 is about 6215.6872508195. The cubic root of 38634768 is about 338.0592079092.

The spelling of 38634768 in words is "thirty-eight million, six hundred thirty-four thousand, seven hundred sixty-eight".