1679924242 has 16 divisors (see below), whose sum is σ = 2584835064. Its totient is φ = 818368000.

The previous prime is 1679924227. The next prime is 1679924261. The reversal of 1679924242 is 2424299761.

It can be written as a sum of positive squares in 4 ways, for example, as 1016398161 + 663526081 = 31881^2 + 25759^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1679924192 and 1679924201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48942 + ... + 75862.

Almost surely, 2^1679924242 is an apocalyptic number.

1679924242 is a deficient number, since it is larger than the sum of its proper divisors (904910822).

1679924242 is a wasteful number, since it uses less digits than its factorization.

1679924242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27725.

The product of its digits is 435456, while the sum is 46.

The square root of 1679924242 is about 40986.8789004481. The cubic root of 1679924242 is about 1188.7665212507.

It can be divided in two parts, 16799 and 24242, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 1679924242 in words is "one billion, six hundred seventy-nine million, nine hundred twenty-four thousand, two hundred forty-two".