1084335881 has 2 divisors, whose sum is σ = 1084335882. Its totient is φ = 1084335880.

The previous prime is 1084335827. The next prime is 1084335911. The reversal of 1084335881 is 1885334801.

1084335881 = 23284² + 23285².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542191225 + 542144656 = 23285^2 + 23284^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084335881 - 2³⁰ = 10594057 is a prime.

It is a super-2 number, since 2×1084335881² = 2351568605648092322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1084335481) 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, 542167940 + 542167941.

It is an arithmetic number, because the mean of its divisors is an integer number (542167941).

Almost surely, 2^1084335881 is an apocalyptic number.

1084335881 is the 23285-th centered square number.

It is an amenable number.

1084335881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084335881 is an equidigital number, since it uses as much as digits as its factorization.

1084335881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 1084335881 is about 32929.2557006684. The cubic root of 1084335881 is about 1027.3567443537.

The spelling of 1084335881 in words is "one billion, eighty-four million, three hundred thirty-five thousand, eight hundred eighty-one".