38947357 has 8 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 36448704.

The previous prime is 38947351. The next prime is 38947361. The reversal of 38947357 is 75374983.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38947357 - 2¹⁹ = 38423069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38947351) by changing a digit.

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, 3357 + ... + 9442.

It is an arithmetic number, because the mean of its divisors is an integer number (5184000).

Almost surely, 2^38947357 is an apocalyptic number.

It is an amenable number.

38947357 is a deficient number, since it is larger than the sum of its proper divisors (2524643).

38947357 is a wasteful number, since it uses less digits than its factorization.

38947357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12995.

The product of its digits is 635040, while the sum is 46.

The square root of 38947357 is about 6240.7817619269. The cubic root of 38947357 is about 338.9684913705.

It can be divided in two parts, 38947 and 357, that added together give a cube (39304 = 34³).

The spelling of 38947357 in words is "thirty-eight million, nine hundred forty-seven thousand, three hundred fifty-seven".