385877 has 2 divisors, whose sum is σ = 385878. Its totient is φ = 385876.

The previous prime is 385859. The next prime is 385897. The reversal of 385877 is 778583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306916 + 78961 = 554^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 385877 - 2⁸ = 385621 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 385877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385817) 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 as a sum of consecutive naturals, namely, 192938 + 192939.

It is an arithmetic number, because the mean of its divisors is an integer number (192939).

2³⁸⁵⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

385877 is a deficient number, since it is larger than the sum of its proper divisors (1).

385877 is an equidigital number, since it uses as much as digits as its factorization.

385877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 385877 is about 621.1899870410. The cubic root of 385877 is about 72.8030595864.

The spelling of 385877 in words is "three hundred eighty-five thousand, eight hundred seventy-seven".