38947953 has 8 divisors (see below), whose sum is σ = 56651616. Its totient is φ = 23604800.

The previous prime is 38947949. The next prime is 38947963. The reversal of 38947953 is 35974983.

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 38947953 - 2² = 38947949 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38947903) 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, 590088 + ... + 590153.

It is an arithmetic number, because the mean of its divisors is an integer number (7081452).

Almost surely, 2^38947953 is an apocalyptic number.

38947953 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

38947953 is a deficient number, since it is larger than the sum of its proper divisors (17703663).

38947953 is a wasteful number, since it uses less digits than its factorization.

38947953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180255.

The product of its digits is 816480, while the sum is 48.

The square root of 38947953 is about 6240.8295121722. The cubic root of 38947953 is about 338.9702204068.

The spelling of 38947953 in words is "thirty-eight million, nine hundred forty-seven thousand, nine hundred fifty-three".