90103635 has 12 divisors (see below), whose sum is σ = 156179712. Its totient is φ = 48055248.

The previous prime is 90103631. The next prime is 90103669. The reversal of 90103635 is 53630109.

It is not a de Polignac number, because 90103635 - 2² = 90103631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90103599 and 90103608.

It is not an unprimeable number, because it can be changed into a prime (90103631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1001107 + ... + 1001196.

It is an arithmetic number, because the mean of its divisors is an integer number (13014976).

Almost surely, 2^90103635 is an apocalyptic number.

90103635 is a deficient number, since it is larger than the sum of its proper divisors (66076077).

90103635 is a wasteful number, since it uses less digits than its factorization.

90103635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002314 (or 2002311 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 90103635 is about 9492.2934531124. The cubic root of 90103635 is about 448.3124199265.

The spelling of 90103635 in words is "ninety million, one hundred three thousand, six hundred thirty-five".