1028916 has 48 divisors (see below), whose sum is σ = 3050880. Its totient is φ = 293760.

The previous prime is 1028903. The next prime is 1028939. The reversal of 1028916 is 6198201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1028916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76 + ... + 1436.

It is an arithmetic number, because the mean of its divisors is an integer number (63560).

2^1028916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525440).

1028916 is an abundant number, since it is smaller than the sum of its proper divisors (2021964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028916 is a wasteful number, since it uses less digits than its factorization.

1028916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1028916 is about 1014.3549674547. The cubic root of 1028916 is about 100.9547227047.

The spelling of 1028916 in words is "one million, twenty-eight thousand, nine hundred sixteen".