1618093 has 2 divisors, whose sum is σ = 1618094. Its totient is φ = 1618092.

The previous prime is 1618091. The next prime is 1618129. The reversal of 1618093 is 3908161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915849 + 702244 = 957^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1618093 - 2¹ = 1618091 is a prime.

Together with 1618091, it forms a pair of twin primes.

1618093 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1618091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809046 + 809047.

It is an arithmetic number, because the mean of its divisors is an integer number (809047).

2^1618093 is an apocalyptic number.

It is an amenable number.

1618093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1618093 is an equidigital number, since it uses as much as digits as its factorization.

1618093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1618093 is about 1272.0428451904. The cubic root of 1618093 is about 117.3999268651.

The spelling of 1618093 in words is "one million, six hundred eighteen thousand, ninety-three".