1028167930 has 16 divisors (see below), whose sum is σ = 1878325920. Its totient is φ = 405128592.

The previous prime is 1028167859. The next prime is 1028167949. The reversal of 1028167930 is 397618201.

It is a self number, because there is not a number n which added to its sum of digits gives 1028167930.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766620 + ... + 767959.

It is an arithmetic number, because the mean of its divisors is an integer number (117395370).

Almost surely, 2^1028167930 is an apocalyptic number.

1028167930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028167930 is a deficient number, since it is larger than the sum of its proper divisors (850157990).

1028167930 is a wasteful number, since it uses less digits than its factorization.

1028167930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534653.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1028167930 is about 32065.0577732210. The cubic root of 1028167930 is about 1009.3025050638.

The spelling of 1028167930 in words is "one billion, twenty-eight million, one hundred sixty-seven thousand, nine hundred thirty".