90086635 has 16 divisors (see below), whose sum is σ = 111095712. Its totient is φ = 70086400.

The previous prime is 90086629. The next prime is 90086641. The reversal of 90086635 is 53668009.

It is an interprime number because it is at equal distance from previous prime (90086629) and next prime (90086641).

It is a de Polignac number, because none of the positive numbers 2^k-90086635 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90086594 and 90086603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95265 + ... + 96205.

It is an arithmetic number, because the mean of its divisors is an integer number (6943482).

Almost surely, 2^90086635 is an apocalyptic number.

90086635 is a deficient number, since it is larger than the sum of its proper divisors (21009077).

90086635 is a wasteful number, since it uses less digits than its factorization.

90086635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 90086635 is about 9491.3979476155. The cubic root of 90086635 is about 448.2842235409.

The spelling of 90086635 in words is "ninety million, eighty-six thousand, six hundred thirty-five".