38425889 has 2 divisors, whose sum is σ = 38425890. Its totient is φ = 38425888.

The previous prime is 38425873. The next prime is 38425909. The reversal of 38425889 is 98852483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32398864 + 6027025 = 5692^2 + 2455^2 .

It is an emirp because it is prime and its reverse (98852483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38425889 - 2⁴ = 38425873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38425589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19212944 + 19212945.

It is an arithmetic number, because the mean of its divisors is an integer number (19212945).

Almost surely, 2^38425889 is an apocalyptic number.

It is an amenable number.

38425889 is a deficient number, since it is larger than the sum of its proper divisors (1).

38425889 is an equidigital number, since it uses as much as digits as its factorization.

38425889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 47.

The square root of 38425889 is about 6198.8619116738. The cubic root of 38425889 is about 337.4488672421.

The spelling of 38425889 in words is "thirty-eight million, four hundred twenty-five thousand, eight hundred eighty-nine".