38620157 has 2 divisors, whose sum is σ = 38620158. Its totient is φ = 38620156.

The previous prime is 38620133. The next prime is 38620181. The reversal of 38620157 is 75102683.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (38620133) and next prime (38620181).

It can be written as a sum of positive squares in only one way, i.e., 20693401 + 17926756 = 4549^2 + 4234^2 .

It is an emirp because it is prime and its reverse (75102683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38620157 - 2⁸ = 38619901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38620187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19310078 + 19310079.

It is an arithmetic number, because the mean of its divisors is an integer number (19310079).

Almost surely, 2^38620157 is an apocalyptic number.

It is an amenable number.

38620157 is a deficient number, since it is larger than the sum of its proper divisors (1).

38620157 is an equidigital number, since it uses as much as digits as its factorization.

38620157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 38620157 is about 6214.5118070529. The cubic root of 38620157 is about 338.0165864904.

The spelling of 38620157 in words is "thirty-eight million, six hundred twenty thousand, one hundred fifty-seven".