1340493 has 24 divisors (see below), whose sum is σ = 2270880. Its totient is φ = 695520.

The previous prime is 1340491. The next prime is 1340497. The reversal of 1340493 is 3940431.

It is not a de Polignac number, because 1340493 - 2¹ = 1340491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1203 + ... + 2031.

It is an arithmetic number, because the mean of its divisors is an integer number (94620).

2^1340493 is an apocalyptic number.

It is an amenable number.

1340493 is a deficient number, since it is larger than the sum of its proper divisors (930387).

1340493 is a wasteful number, since it uses less digits than its factorization.

1340493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1340493 is about 1157.7966142635. The cubic root of 1340493 is about 110.2608958745.

The spelling of 1340493 in words is "one million, three hundred forty thousand, four hundred ninety-three".