1370843 has 4 divisors (see below), whose sum is σ = 1374840. Its totient is φ = 1366848.

The previous prime is 1370839. The next prime is 1370857. The reversal of 1370843 is 3480731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3480731 = 1831 ⋅1901.

It is a cyclic number.

It is not a de Polignac number, because 1370843 - 2² = 1370839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1370833) 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 3 ways as a sum of consecutive naturals, for example, 1430 + ... + 2187.

It is an arithmetic number, because the mean of its divisors is an integer number (343710).

2^1370843 is an apocalyptic number.

1370843 is a deficient number, since it is larger than the sum of its proper divisors (3997).

1370843 is an equidigital number, since it uses as much as digits as its factorization.

1370843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1370843 is about 1170.8300474450. The cubic root of 1370843 is about 111.0868297682.

The spelling of 1370843 in words is "one million, three hundred seventy thousand, eight hundred forty-three".