385284677 has 2 divisors, whose sum is σ = 385284678. Its totient is φ = 385284676.

The previous prime is 385284673. The next prime is 385284701. The reversal of 385284677 is 776482583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358307041 + 26977636 = 18929^2 + 5194^2 .

It is a cyclic number.

It is not a de Polignac number, because 385284677 - 2² = 385284673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385284671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192642338 + 192642339.

It is an arithmetic number, because the mean of its divisors is an integer number (192642339).

Almost surely, 2^385284677 is an apocalyptic number.

It is an amenable number.

385284677 is a deficient number, since it is larger than the sum of its proper divisors (1).

385284677 is an equidigital number, since it uses as much as digits as its factorization.

385284677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 50.

The square root of 385284677 is about 19628.6697715357. The cubic root of 385284677 is about 727.6578949765.

The spelling of 385284677 in words is "three hundred eighty-five million, two hundred eighty-four thousand, six hundred seventy-seven".