1003936493 has 16 divisors (see below), whose sum is σ = 1155840000. Its totient is φ = 854176752.

The previous prime is 1003936463. The next prime is 1003936501. The reversal of 1003936493 is 3946393001.

It is a cyclic number.

It is not a de Polignac number, because 1003936493 - 2¹⁶ = 1003870957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003936463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1168298 + ... + 1169156.

It is an arithmetic number, because the mean of its divisors is an integer number (72240000).

Almost surely, 2^1003936493 is an apocalyptic number.

It is an amenable number.

1003936493 is a deficient number, since it is larger than the sum of its proper divisors (151903507).

1003936493 is an equidigital number, since it uses as much as digits as its factorization.

1003936493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 1003936493 is about 31684.9568880881. The cubic root of 1003936493 is about 1001.3104463137.

The spelling of 1003936493 in words is "one billion, three million, nine hundred thirty-six thousand, four hundred ninety-three".