1340379 has 6 divisors (see below), whose sum is σ = 1936116. Its totient is φ = 893580.

The previous prime is 1340369. The next prime is 1340387. The reversal of 1340379 is 9730431.

It is not a de Polignac number, because 1340379 - 2⁴ = 1340363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74457 + ... + 74474.

It is an arithmetic number, because the mean of its divisors is an integer number (322686).

2^1340379 is an apocalyptic number.

1340379 is a deficient number, since it is larger than the sum of its proper divisors (595737).

1340379 is a wasteful number, since it uses less digits than its factorization.

1340379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148937 (or 148934 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1340379 is about 1157.7473817720. The cubic root of 1340379 is about 110.2577701343.

The spelling of 1340379 in words is "one million, three hundred forty thousand, three hundred seventy-nine".