38684480 has 28 divisors (see below), whose sum is σ = 92118180. Its totient is φ = 15473664.

The previous prime is 38684467. The next prime is 38684491. The reversal of 38684480 is 8448683.

It can be written as a sum of positive squares in 2 ways, for example, as 20502784 + 18181696 = 4528^2 + 4264^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60125 + ... + 60764.

It is an arithmetic number, because the mean of its divisors is an integer number (3289935).

Almost surely, 2^38684480 is an apocalyptic number.

It is an amenable number.

38684480 is an abundant number, since it is smaller than the sum of its proper divisors (53433700).

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

38684480 is a wasteful number, since it uses less digits than its factorization.

38684480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120906 (or 120896 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 38684480 is about 6219.6848794774. The cubic root of 38684480 is about 338.2041412369.

The spelling of 38684480 in words is "thirty-eight million, six hundred eighty-four thousand, four hundred eighty".