10420843 has 4 divisors (see below), whose sum is σ = 10479240. Its totient is φ = 10362448.

The previous prime is 10420829. The next prime is 10420901. The reversal of 10420843 is 34802401.

10420843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34802401 = 1297 ⋅26833.

It is a cyclic number.

It is not a de Polignac number, because 10420843 - 2⁹ = 10420331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10420243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28930 + ... + 29287.

It is an arithmetic number, because the mean of its divisors is an integer number (2619810).

Almost surely, 2^10420843 is an apocalyptic number.

10420843 is a deficient number, since it is larger than the sum of its proper divisors (58397).

10420843 is an equidigital number, since it uses as much as digits as its factorization.

10420843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58396.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 10420843 is about 3228.1330517809. The cubic root of 10420843 is about 218.4242991900.

The spelling of 10420843 in words is "ten million, four hundred twenty thousand, eight hundred forty-three".