38628307 has 2 divisors, whose sum is σ = 38628308. Its totient is φ = 38628306.

The previous prime is 38628299. The next prime is 38628329. The reversal of 38628307 is 70382683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38628307 - 2³ = 38628299 is a prime.

It is a super-2 number, since 2×38628307² = 2984292203372498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38628347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19314153 + 19314154.

It is an arithmetic number, because the mean of its divisors is an integer number (19314154).

Almost surely, 2^38628307 is an apocalyptic number.

38628307 is a deficient number, since it is larger than the sum of its proper divisors (1).

38628307 is an equidigital number, since it uses as much as digits as its factorization.

38628307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 38628307 is about 6215.1674957317. The cubic root of 38628307 is about 338.0403619972.

The spelling of 38628307 in words is "thirty-eight million, six hundred twenty-eight thousand, three hundred seven".