38438590 has 8 divisors (see below), whose sum is σ = 69189480. Its totient is φ = 15375432.

The previous prime is 38438579. The next prime is 38438593. The reversal of 38438590 is 9583483.

38438590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38438593) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1921920 + ... + 1921939.

It is an arithmetic number, because the mean of its divisors is an integer number (8648685).

Almost surely, 2^38438590 is an apocalyptic number.

38438590 is a deficient number, since it is larger than the sum of its proper divisors (30750890).

38438590 is a wasteful number, since it uses less digits than its factorization.

38438590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843866.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 38438590 is about 6199.8862892798. The cubic root of 38438590 is about 337.4860424040.

The spelling of 38438590 in words is "thirty-eight million, four hundred thirty-eight thousand, five hundred ninety".