386946899 has 2 divisors, whose sum is σ = 386946900. Its totient is φ = 386946898.

The previous prime is 386946893. The next prime is 386946961. The reversal of 386946899 is 998649683.

It is an a-pointer prime, because the next prime (386946961) can be obtained adding 386946899 to its sum of digits (62).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386946899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (386946893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193473449 + 193473450.

It is an arithmetic number, because the mean of its divisors is an integer number (193473450).

Almost surely, 2^386946899 is an apocalyptic number.

386946899 is a deficient number, since it is larger than the sum of its proper divisors (1).

386946899 is an equidigital number, since it uses as much as digits as its factorization.

386946899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20155392, while the sum is 62.

The square root of 386946899 is about 19670.9658888424. The cubic root of 386946899 is about 728.7028311664.

The spelling of 386946899 in words is "three hundred eighty-six million, nine hundred forty-six thousand, eight hundred ninety-nine".