38343985 has 8 divisors (see below), whose sum is σ = 46443456. Its totient is φ = 30388080.

The previous prime is 38343983. The next prime is 38343997. The reversal of 38343985 is 58934383.

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

It is not a de Polignac number, because 38343985 - 2¹ = 38343983 is a prime.

It is a super-2 number, since 2×38343985² = 2940522371360450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38343983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35301 + ... + 36370.

It is an arithmetic number, because the mean of its divisors is an integer number (5805432).

Almost surely, 2^38343985 is an apocalyptic number.

It is an amenable number.

38343985 is a deficient number, since it is larger than the sum of its proper divisors (8099471).

38343985 is a wasteful number, since it uses less digits than its factorization.

38343985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71783.

The product of its digits is 311040, while the sum is 43.

The square root of 38343985 is about 6192.2520136054. The cubic root of 38343985 is about 337.2089415659.

The spelling of 38343985 in words is "thirty-eight million, three hundred forty-three thousand, nine hundred eighty-five".