38872307 has 2 divisors, whose sum is σ = 38872308. Its totient is φ = 38872306.

The previous prime is 38872297. The next prime is 38872367. The reversal of 38872307 is 70327883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38872307 - 2¹² = 38868211 is a prime.

It is a super-2 number, since 2×38872307² = 3022112503004498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38872367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19436153 + 19436154.

It is an arithmetic number, because the mean of its divisors is an integer number (19436154).

Almost surely, 2^38872307 is an apocalyptic number.

38872307 is a deficient number, since it is larger than the sum of its proper divisors (1).

38872307 is an equidigital number, since it uses as much as digits as its factorization.

38872307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 38872307 is about 6234.7659940049. The cubic root of 38872307 is about 338.7506251265.

The spelling of 38872307 in words is "thirty-eight million, eight hundred seventy-two thousand, three hundred seven".