3858929 has 2 divisors, whose sum is σ = 3858930. Its totient is φ = 3858928.

The previous prime is 3858923. The next prime is 3858931. The reversal of 3858929 is 9298583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3429904 + 429025 = 1852^2 + 655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3858929 is a prime.

It is a Sophie Germain prime.

Together with 3858931, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3858929.

It is not a weakly prime, because it can be changed into another prime (3858923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929464 + 1929465.

It is an arithmetic number, because the mean of its divisors is an integer number (1929465).

Almost surely, 2^3858929 is an apocalyptic number.

It is an amenable number.

3858929 is a deficient number, since it is larger than the sum of its proper divisors (1).

3858929 is an equidigital number, since it uses as much as digits as its factorization.

3858929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 3858929 is about 1964.4156892063. The cubic root of 3858929 is about 156.8515914025.

The spelling of 3858929 in words is "three million, eight hundred fifty-eight thousand, nine hundred twenty-nine".