1028892294 has 160 divisors (see below), whose sum is σ = 2575964160. Its totient is φ = 305596800.

The previous prime is 1028892269. The next prime is 1028892299. The reversal of 1028892294 is 4922988201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028892299) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3912007 + ... + 3912269.

It is an arithmetic number, because the mean of its divisors is an integer number (16099776).

Almost surely, 2^1028892294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028892294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287982080).

1028892294 is an abundant number, since it is smaller than the sum of its proper divisors (1547071866).

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

1028892294 is a wasteful number, since it uses less digits than its factorization.

1028892294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1028892294 is about 32076.3510081805. The cubic root of 1028892294 is about 1009.5394737385.

The spelling of 1028892294 in words is "one billion, twenty-eight million, eight hundred ninety-two thousand, two hundred ninety-four".