38475691 has 2 divisors, whose sum is σ = 38475692. Its totient is φ = 38475690.

The previous prime is 38475683. The next prime is 38475733. The reversal of 38475691 is 19657483.

It is a weak prime.

It is an emirp because it is prime and its reverse (19657483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38475691 - 2³ = 38475683 is a prime.

It is not a weakly prime, because it can be changed into another prime (38475091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19237845 + 19237846.

It is an arithmetic number, because the mean of its divisors is an integer number (19237846).

Almost surely, 2^38475691 is an apocalyptic number.

38475691 is a deficient number, since it is larger than the sum of its proper divisors (1).

38475691 is an equidigital number, since it uses as much as digits as its factorization.

38475691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 38475691 is about 6202.8776386448. The cubic root of 38475691 is about 337.5945882115.

The spelling of 38475691 in words is "thirty-eight million, four hundred seventy-five thousand, six hundred ninety-one".