38272397 has 2 divisors, whose sum is σ = 38272398. Its totient is φ = 38272396.

The previous prime is 38272357. The next prime is 38272433. The reversal of 38272397 is 79327283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28153636 + 10118761 = 5306^2 + 3181^2 .

It is a cyclic number.

It is not a de Polignac number, because 38272397 - 2¹² = 38268301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38272357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19136198 + 19136199.

It is an arithmetic number, because the mean of its divisors is an integer number (19136199).

Almost surely, 2^38272397 is an apocalyptic number.

It is an amenable number.

38272397 is a deficient number, since it is larger than the sum of its proper divisors (1).

38272397 is an equidigital number, since it uses as much as digits as its factorization.

38272397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 38272397 is about 6186.4688635764. The cubic root of 38272397 is about 336.9989551107.

The spelling of 38272397 in words is "thirty-eight million, two hundred seventy-two thousand, three hundred ninety-seven".