38866707 has 12 divisors (see below), whose sum is σ = 61244664. Its totient is φ = 23555520.

The previous prime is 38866703. The next prime is 38866727. The reversal of 38866707 is 70766883.

It is not a de Polignac number, because 38866707 - 2² = 38866703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38866703) 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 in 11 ways as a sum of consecutive naturals, for example, 196198 + ... + 196395.

It is an arithmetic number, because the mean of its divisors is an integer number (5103722).

Almost surely, 2^38866707 is an apocalyptic number.

38866707 is a deficient number, since it is larger than the sum of its proper divisors (22377957).

38866707 is a wasteful number, since it uses less digits than its factorization.

38866707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392610 (or 392607 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 38866707 is about 6234.3168831878. The cubic root of 38866707 is about 338.7343573792.

The spelling of 38866707 in words is "thirty-eight million, eight hundred sixty-six thousand, seven hundred seven".