90284103 has 24 divisors (see below), whose sum is σ = 160506528. Its totient is φ = 47621952.

The previous prime is 90284099. The next prime is 90284119. The reversal of 90284103 is 30148209.

It is not a de Polignac number, because 90284103 - 2² = 90284099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90284153) 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 in 23 ways as a sum of consecutive naturals, for example, 54300 + ... + 55937.

It is an arithmetic number, because the mean of its divisors is an integer number (6687772).

Almost surely, 2^90284103 is an apocalyptic number.

90284103 is a deficient number, since it is larger than the sum of its proper divisors (70222425).

90284103 is a wasteful number, since it uses less digits than its factorization.

90284103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110263 (or 110260 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 90284103 is about 9501.7947252085. The cubic root of 90284103 is about 448.6115276906.

It can be divided in two parts, 9028 and 4103, that added together give a palindrome (13131).

The spelling of 90284103 in words is "ninety million, two hundred eighty-four thousand, one hundred three".