1039538403 has 6 divisors (see below), whose sum is σ = 1501555484. Its totient is φ = 693025596.

The previous prime is 1039538377. The next prime is 1039538411. The reversal of 1039538403 is 3048359301.

It is not a de Polignac number, because 1039538403 - 2⁵ = 1039538371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1039538413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57752125 + ... + 57752142.

Almost surely, 2^1039538403 is an apocalyptic number.

1039538403 is a deficient number, since it is larger than the sum of its proper divisors (462017081).

1039538403 is a wasteful number, since it uses less digits than its factorization.

1039538403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115504273 (or 115504270 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1039538403 is about 32241.8734412255. The cubic root of 1039538403 is about 1013.0094869774.

The spelling of 1039538403 in words is "one billion, thirty-nine million, five hundred thirty-eight thousand, four hundred three".