42086403 has 12 divisors (see below), whose sum is σ = 61271808. Its totient is φ = 27835920.

The previous prime is 42086393. The next prime is 42086419. The reversal of 42086403 is 30468024.

It is not a de Polignac number, because 42086403 - 2⁵ = 42086371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42086423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17268 + ... + 19553.

It is an arithmetic number, because the mean of its divisors is an integer number (5105984).

Almost surely, 2^42086403 is an apocalyptic number.

42086403 is a deficient number, since it is larger than the sum of its proper divisors (19185405).

42086403 is a wasteful number, since it uses less digits than its factorization.

42086403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36954 (or 36951 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42086403 is about 6487.4034096856. The cubic root of 42086403 is about 347.8408656087.

The spelling of 42086403 in words is "forty-two million, eighty-six thousand, four hundred three".