10420817 has 8 divisors (see below), whose sum is σ = 11862720. Its totient is φ = 9061360.

The previous prime is 10420801. The next prime is 10420829. The reversal of 10420817 is 71802401.

10420817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10420817 - 2⁴ = 10420801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10420792 and 10420801.

It is not an unprimeable number, because it can be changed into a prime (10420217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20342 + ... + 20847.

It is an arithmetic number, because the mean of its divisors is an integer number (1482840).

Almost surely, 2^10420817 is an apocalyptic number.

It is an amenable number.

10420817 is a deficient number, since it is larger than the sum of its proper divisors (1441903).

10420817 is a wasteful number, since it uses less digits than its factorization.

10420817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41223.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 10420817 is about 3228.1290246829. The cubic root of 10420817 is about 218.4241175337.

The spelling of 10420817 in words is "ten million, four hundred twenty thousand, eight hundred seventeen".