285406103 has 8 divisors (see below), whose sum is σ = 300766176. Its totient is φ = 270292000.

The previous prime is 285406091. The next prime is 285406109. The reversal of 285406103 is 301604582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 285406103 - 2⁸ = 285405847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285406109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59108 + ... + 63753.

It is an arithmetic number, because the mean of its divisors is an integer number (37595772).

Almost surely, 2^285406103 is an apocalyptic number.

285406103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

285406103 is a deficient number, since it is larger than the sum of its proper divisors (15360073).

285406103 is a wasteful number, since it uses less digits than its factorization.

285406103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122985.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 285406103 is about 16893.9664673516. The cubic root of 285406103 is about 658.3968613515.

It can be divided in two parts, 28540 and 6103, that added together give a palindrome (34643).

The spelling of 285406103 in words is "two hundred eighty-five million, four hundred six thousand, one hundred three".