1340093 has 6 divisors (see below), whose sum is σ = 1423866. Its totient is φ = 1260992.

The previous prime is 1340083. The next prime is 1340107. The reversal of 1340093 is 3900431.

It can be written as a sum of positive squares in 3 ways, for example, as 375769 + 964324 = 613^2 + 982^2 .

It is not a de Polignac number, because 1340093 - 2¹⁰ = 1339069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2030 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (237311).

2^1340093 is an apocalyptic number.

It is an amenable number.

1340093 is a deficient number, since it is larger than the sum of its proper divisors (83773).

1340093 is an equidigital number, since it uses as much as digits as its factorization.

1340093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671 (or 4654 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1340093 is about 1157.6238594639. The cubic root of 1340093 is about 110.2499275850.

The spelling of 1340093 in words is "one million, three hundred forty thousand, ninety-three".