1028713790 has 16 divisors (see below), whose sum is σ = 1994122368. Its totient is φ = 379832736.

The previous prime is 1028713783. The next prime is 1028713799. The reversal of 1028713790 is 973178201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028713799) 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, 3956462 + ... + 3956721.

It is an arithmetic number, because the mean of its divisors is an integer number (124632648).

Almost surely, 2^1028713790 is an apocalyptic number.

1028713790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028713790 is a deficient number, since it is larger than the sum of its proper divisors (965408578).

1028713790 is a wasteful number, since it uses less digits than its factorization.

1028713790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913203.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 1028713790 is about 32073.5684014112. The cubic root of 1028713790 is about 1009.4810882114.

The spelling of 1028713790 in words is "one billion, twenty-eight million, seven hundred thirteen thousand, seven hundred ninety".