38047231 has 2 divisors, whose sum is σ = 38047232. Its totient is φ = 38047230.

The previous prime is 38047193. The next prime is 38047249. The reversal of 38047231 is 13274083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38047231 - 2⁹ = 38046719 is a prime.

It is a super-2 number, since 2×38047231² = 2895183573534722, which contains 22 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 38047231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38047531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19023615 + 19023616.

It is an arithmetic number, because the mean of its divisors is an integer number (19023616).

Almost surely, 2^38047231 is an apocalyptic number.

38047231 is a deficient number, since it is larger than the sum of its proper divisors (1).

38047231 is an equidigital number, since it uses as much as digits as its factorization.

38047231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 38047231 is about 6168.2437532899. The cubic root of 38047231 is about 336.3367720117.

The spelling of 38047231 in words is "thirty-eight million, forty-seven thousand, two hundred thirty-one".