38707243 has 2 divisors, whose sum is σ = 38707244. Its totient is φ = 38707242.

The previous prime is 38707231. The next prime is 38707259. The reversal of 38707243 is 34270783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38707243 - 2⁵ = 38707211 is a prime.

It is a super-2 number, since 2×38707243² = 2996501321322098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38707199 and 38707208.

It is not a weakly prime, because it can be changed into another prime (38707213) 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, 19353621 + 19353622.

It is an arithmetic number, because the mean of its divisors is an integer number (19353622).

Almost surely, 2^38707243 is an apocalyptic number.

38707243 is a deficient number, since it is larger than the sum of its proper divisors (1).

38707243 is an equidigital number, since it uses as much as digits as its factorization.

38707243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 38707243 is about 6221.5145262227. The cubic root of 38707243 is about 338.2704644011.

It can be divided in two parts, 38 and 707243, that added together give a 4-th power (707281 = 29⁴).

The spelling of 38707243 in words is "thirty-eight million, seven hundred seven thousand, two hundred forty-three".