38984390 has 24 divisors (see below), whose sum is σ = 74066400. Its totient is φ = 14771664.

The previous prime is 38984377. The next prime is 38984459. The reversal of 38984390 is 9348983.

38984390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1790 + ... + 9009.

It is an arithmetic number, because the mean of its divisors is an integer number (3086100).

Almost surely, 2^38984390 is an apocalyptic number.

38984390 is a deficient number, since it is larger than the sum of its proper divisors (35082010).

38984390 is a wasteful number, since it uses less digits than its factorization.

38984390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10844 (or 10825 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 38984390 is about 6243.7480730728. The cubic root of 38984390 is about 339.0758931262.

The spelling of 38984390 in words is "thirty-eight million, nine hundred eighty-four thousand, three hundred ninety".