1679140028 has 12 divisors (see below), whose sum is σ = 2940489552. Its totient is φ = 839000160.

The previous prime is 1679140013. The next prime is 1679140033. The reversal of 1679140028 is 8200419761.

It is a super-2 number, since 2×1679140028² = 5639022467263681568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1679139973 and 1679140000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135800 + ... + 147647.

It is an arithmetic number, because the mean of its divisors is an integer number (245040796).

Almost surely, 2^1679140028 is an apocalyptic number.

It is an amenable number.

1679140028 is a deficient number, since it is larger than the sum of its proper divisors (1261349524).

1679140028 is a wasteful number, since it uses less digits than its factorization.

1679140028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284932 (or 284930 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1679140028 is about 40977.3111367742. The cubic root of 1679140028 is about 1188.5815144063.

Adding to 1679140028 its reverse (8200419761), we get a palindrome (9879559789).

The spelling of 1679140028 in words is "one billion, six hundred seventy-nine million, one hundred forty thousand, twenty-eight".