1992409036 has 6 divisors (see below), whose sum is σ = 3486715820. Its totient is φ = 996204516.

The previous prime is 1992409033. The next prime is 1992409039. The reversal of 1992409036 is 6309042991.

It is an interprime number because it is at equal distance from previous prime (1992409033) and next prime (1992409039).

It is a junction number, because it is equal to n+sod(n) for n = 1992408983 and 1992409001.

It is not an unprimeable number, because it can be changed into a prime (1992409033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249051126 + ... + 249051133.

Almost surely, 2^1992409036 is an apocalyptic number.

It is an amenable number.

1992409036 is a deficient number, since it is larger than the sum of its proper divisors (1494306784).

1992409036 is a wasteful number, since it uses less digits than its factorization.

1992409036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498102263 (or 498102261 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 1992409036 is about 44636.4093089935. The cubic root of 1992409036 is about 1258.3250264070.

The spelling of 1992409036 in words is "one billion, nine hundred ninety-two million, four hundred nine thousand, thirty-six".