38474257 has 2 divisors, whose sum is σ = 38474258. Its totient is φ = 38474256.

The previous prime is 38474251. The next prime is 38474291. The reversal of 38474257 is 75247483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38427601 + 46656 = 6199^2 + 216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38474257 is a prime.

It is not a weakly prime, because it can be changed into another prime (38474251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19237128 + 19237129.

It is an arithmetic number, because the mean of its divisors is an integer number (19237129).

Almost surely, 2^38474257 is an apocalyptic number.

It is an amenable number.

38474257 is a deficient number, since it is larger than the sum of its proper divisors (1).

38474257 is an equidigital number, since it uses as much as digits as its factorization.

38474257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The square root of 38474257 is about 6202.7620460566. The cubic root of 38474257 is about 337.5903940771.

The spelling of 38474257 in words is "thirty-eight million, four hundred seventy-four thousand, two hundred fifty-seven".