38584940 has 24 divisors (see below), whose sum is σ = 82359312. Its totient is φ = 15180480.

The previous prime is 38584921. The next prime is 38584963. The reversal of 38584940 is 4948583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14594 + ... + 17033.

It is an arithmetic number, because the mean of its divisors is an integer number (3431638).

Almost surely, 2^38584940 is an apocalyptic number.

It is an amenable number.

38584940 is an abundant number, since it is smaller than the sum of its proper divisors (43774372).

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

38584940 is a wasteful number, since it uses less digits than its factorization.

38584940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31697 (or 31695 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 38584940 is about 6211.6777121805. The cubic root of 38584940 is about 337.9138115735.

The spelling of 38584940 in words is "thirty-eight million, five hundred eighty-four thousand, nine hundred forty".