1979934628 has 12 divisors (see below), whose sum is σ = 3959869312. Its totient is φ = 848543400.

The previous prime is 1979934623. The next prime is 1979934637. The reversal of 1979934628 is 8264399791.

1979934628 is an admirable number.

It is a super-2 number, since 2×1979934628² = 7840282262306996768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1979934623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35355948 + ... + 35356003.

Almost surely, 2^1979934628 is an apocalyptic number.

It is an amenable number.

1979934628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1979934628 is a wasteful number, since it uses less digits than its factorization.

1979934628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70711962 (or 70711960 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 58.

The square root of 1979934628 is about 44496.4563532873. The cubic root of 1979934628 is about 1255.6934159475.

The spelling of 1979934628 in words is "one billion, nine hundred seventy-nine million, nine hundred thirty-four thousand, six hundred twenty-eight".