1028738782 has 16 divisors (see below), whose sum is σ = 1686586752. Its totient is φ = 468495360.

The previous prime is 1028738747. The next prime is 1028738783. The reversal of 1028738782 is 2878378201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028738783) 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, 486963 + ... + 489070.

It is an arithmetic number, because the mean of its divisors is an integer number (105411672).

Almost surely, 2^1028738782 is an apocalyptic number.

1028738782 is a deficient number, since it is larger than the sum of its proper divisors (657847970).

1028738782 is a wasteful number, since it uses less digits than its factorization.

1028738782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976083.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 1028738782 is about 32073.9580033397. The cubic root of 1028738782 is about 1009.4892630628.

The spelling of 1028738782 in words is "one billion, twenty-eight million, seven hundred thirty-eight thousand, seven hundred eighty-two".