1083949 has 2 divisors, whose sum is σ = 1083950. Its totient is φ = 1083948.

The previous prime is 1083947. The next prime is 1083983. The reversal of 1083949 is 9493801.

It is an a-pointer prime, because the next prime (1083983) can be obtained adding 1083949 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915849 + 168100 = 957^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083949 - 2¹ = 1083947 is a prime.

Together with 1083947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1083941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541974 + 541975.

It is an arithmetic number, because the mean of its divisors is an integer number (541975).

2^1083949 is an apocalyptic number.

It is an amenable number.

1083949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083949 is an equidigital number, since it uses as much as digits as its factorization.

1083949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1083949 is about 1041.1287144249. The cubic root of 1083949 is about 102.7234546029.

The spelling of 1083949 in words is "one million, eighty-three thousand, nine hundred forty-nine".