90835069 has 16 divisors (see below), whose sum is σ = 99742720. Its totient is φ = 82218240.

The previous prime is 90835051. The next prime is 90835079. The reversal of 90835069 is 96053809.

It is not a de Polignac number, because 90835069 - 2¹¹ = 90833021 is a prime.

It is a super-2 number, since 2×90835069² = 16502019520469522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90835079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247324 + ... + 247690.

It is an arithmetic number, because the mean of its divisors is an integer number (6233920).

Almost surely, 2^90835069 is an apocalyptic number.

It is an amenable number.

90835069 is a deficient number, since it is larger than the sum of its proper divisors (8907651).

90835069 is a wasteful number, since it uses less digits than its factorization.

90835069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 90835069 is about 9530.7433603051. The cubic root of 90835069 is about 449.5222402727.

The spelling of 90835069 in words is "ninety million, eight hundred thirty-five thousand, sixty-nine".