38855029 has 2 divisors, whose sum is σ = 38855030. Its totient is φ = 38855028.

The previous prime is 38855021. The next prime is 38855071. The reversal of 38855029 is 92055883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 13704804 = 5015^2 + 3702^2 .

It is an emirp because it is prime and its reverse (92055883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38855029 - 2³ = 38855021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38854982 and 38855000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38855021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19427514 + 19427515.

It is an arithmetic number, because the mean of its divisors is an integer number (19427515).

Almost surely, 2^38855029 is an apocalyptic number.

It is an amenable number.

38855029 is a deficient number, since it is larger than the sum of its proper divisors (1).

38855029 is an equidigital number, since it uses as much as digits as its factorization.

38855029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 38855029 is about 6233.3802226400. The cubic root of 38855029 is about 338.7004282885.

The spelling of 38855029 in words is "thirty-eight million, eight hundred fifty-five thousand, twenty-nine".