1028829 has 8 divisors (see below), whose sum is σ = 1378432. Its totient is φ = 682560.

The previous prime is 1028809. The next prime is 1028837. The reversal of 1028829 is 9288201.

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

It is not a de Polignac number, because 1028829 - 2⁹ = 1028317 is a prime.

It is a super-2 number, since 2×1028829² = 2116978222482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1028796 and 1028805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028809) 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, 12 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (172304).

2^1028829 is an apocalyptic number.

It is an amenable number.

1028829 is a deficient number, since it is larger than the sum of its proper divisors (349603).

1028829 is a wasteful number, since it uses less digits than its factorization.

1028829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1028829 is about 1014.3120821522. The cubic root of 1028829 is about 100.9518772154.

The spelling of 1028829 in words is "one million, twenty-eight thousand, eight hundred twenty-nine".