2438693 has 2 divisors, whose sum is σ = 2438694. Its totient is φ = 2438692.

The previous prime is 2438671. The next prime is 2438717. The reversal of 2438693 is 3968342.

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., 2122849 + 315844 = 1457^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 2438693 - 2⁶ = 2438629 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 2¹¹ + 4⁴ + 3⁵ + 8⁷ + 6⁷ + 9 + 3¹⁰ .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2438603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219346 + 1219347.

It is an arithmetic number, because the mean of its divisors is an integer number (1219347).

2^2438693 is an apocalyptic number.

It is an amenable number.

2438693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2438693 is an equidigital number, since it uses as much as digits as its factorization.

2438693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 2438693 is about 1561.6315186368. The cubic root of 2438693 is about 134.6022678669.

The spelling of 2438693 in words is "two million, four hundred thirty-eight thousand, six hundred ninety-three".