1993036 has 6 divisors (see below), whose sum is σ = 3487820. Its totient is φ = 996516.

The previous prime is 1993031. The next prime is 1993037. The reversal of 1993036 is 6303991.

It is a junction number, because it is equal to n+sod(n) for n = 1992989 and 1993007.

It is not an unprimeable number, because it can be changed into a prime (1993031) by changing a digit.

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 as a sum of consecutive naturals, namely, 249126 + ... + 249133.

2^1993036 is an apocalyptic number.

It is an amenable number.

1993036 is a deficient number, since it is larger than the sum of its proper divisors (1494784).

1993036 is a wasteful number, since it uses less digits than its factorization.

1993036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498263 (or 498261 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1993036 is about 1411.7492695235. The cubic root of 1993036 is about 125.8457000940.

The spelling of 1993036 in words is "one million, nine hundred ninety-three thousand, thirty-six".