1028319 has 8 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 679896.

The previous prime is 1028317. The next prime is 1028327. The reversal of 1028319 is 9138201.

1028319 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 1028319 - 2¹ = 1028317 is a prime.

It is a super-2 number, since 2×1028319² = 2114879931522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028317) 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, 969 + ... + 1730.

It is an arithmetic number, because the mean of its divisors is an integer number (172800).

2^1028319 is an apocalyptic number.

1028319 is a deficient number, since it is larger than the sum of its proper divisors (354081).

1028319 is a wasteful number, since it uses less digits than its factorization.

1028319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1028319 is about 1014.0606490738. The cubic root of 1028319 is about 100.9351935336.

The spelling of 1028319 in words is "one million, twenty-eight thousand, three hundred nineteen".