38231947 has 8 divisors (see below), whose sum is σ = 42593040. Its totient is φ = 34073760.

The previous prime is 38231939. The next prime is 38231951. The reversal of 38231947 is 74913283.

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 38231947 - 2³ = 38231939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38231917) 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, 50329 + ... + 51082.

It is an arithmetic number, because the mean of its divisors is an integer number (5324130).

Almost surely, 2^38231947 is an apocalyptic number.

38231947 is a deficient number, since it is larger than the sum of its proper divisors (4361093).

38231947 is a wasteful number, since it uses less digits than its factorization.

38231947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101453.

The product of its digits is 36288, while the sum is 37.

The square root of 38231947 is about 6183.1987676283. The cubic root of 38231947 is about 336.8801888106.

The spelling of 38231947 in words is "thirty-eight million, two hundred thirty-one thousand, nine hundred forty-seven".