1028417 has 8 divisors (see below), whose sum is σ = 1115520. Its totient is φ = 942480.

The previous prime is 1028411. The next prime is 1028437. The reversal of 1028417 is 7148201.

1028417 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 1028417 - 2¹² = 1024321 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1028392 and 1028401.

It is not an unprimeable number, because it can be changed into a prime (1028411) 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, 2942 + ... + 3272.

It is an arithmetic number, because the mean of its divisors is an integer number (139440).

2^1028417 is an apocalyptic number.

It is an amenable number.

1028417 is a deficient number, since it is larger than the sum of its proper divisors (87103).

1028417 is a wasteful number, since it uses less digits than its factorization.

1028417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583.

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

The square root of 1028417 is about 1014.1089685039. The cubic root of 1028417 is about 100.9383998456.

It can be divided in two parts, 10284 and 17, that added together give a palindrome (10301).

The spelling of 1028417 in words is "one million, twenty-eight thousand, four hundred seventeen".