38431073 has 2 divisors, whose sum is σ = 38431074. Its totient is φ = 38431072.

The previous prime is 38431039. The next prime is 38431087. The reversal of 38431073 is 37013483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36084049 + 2347024 = 6007^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 38431073 - 2¹² = 38426977 is a prime.

It is not a weakly prime, because it can be changed into another prime (38431013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19215536 + 19215537.

It is an arithmetic number, because the mean of its divisors is an integer number (19215537).

Almost surely, 2^38431073 is an apocalyptic number.

It is an amenable number.

38431073 is a deficient number, since it is larger than the sum of its proper divisors (1).

38431073 is an equidigital number, since it uses as much as digits as its factorization.

38431073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 38431073 is about 6199.2800388432. The cubic root of 38431073 is about 337.4640415279.

The spelling of 38431073 in words is "thirty-eight million, four hundred thirty-one thousand, seventy-three".