1084682857 has 2 divisors, whose sum is σ = 1084682858. Its totient is φ = 1084682856.

The previous prime is 1084682831. The next prime is 1084682891. The reversal of 1084682857 is 7582864801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897841296 + 186841561 = 29964^2 + 13669^2 .

It is an emirp because it is prime and its reverse (7582864801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1084682857 - 2¹¹ = 1084680809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1084682857.

It is not a weakly prime, because it can be changed into another prime (1084682057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542341428 + 542341429.

It is an arithmetic number, because the mean of its divisors is an integer number (542341429).

Almost surely, 2^1084682857 is an apocalyptic number.

It is an amenable number.

1084682857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084682857 is an equidigital number, since it uses as much as digits as its factorization.

1084682857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 860160, while the sum is 49.

The square root of 1084682857 is about 32934.5237858391. The cubic root of 1084682857 is about 1027.4663137608.

The spelling of 1084682857 in words is "one billion, eighty-four million, six hundred eighty-two thousand, eight hundred fifty-seven".