1438093 has 2 divisors, whose sum is σ = 1438094. Its totient is φ = 1438092.

The previous prime is 1438069. The next prime is 1438097. The reversal of 1438093 is 3908341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 310249 = 1062^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 1438093 - 2⁵ = 1438061 is a prime.

It is a super-2 number, since 2×1438093² = 4136222953298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1438097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719046 + 719047.

It is an arithmetic number, because the mean of its divisors is an integer number (719047).

2^1438093 is an apocalyptic number.

It is an amenable number.

1438093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438093 is an equidigital number, since it uses as much as digits as its factorization.

1438093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1438093 is about 1199.2051534246. The cubic root of 1438093 is about 112.8744526749.

The spelling of 1438093 in words is "one million, four hundred thirty-eight thousand, ninety-three".