90650769 has 16 divisors (see below), whose sum is σ = 132027840. Its totient is φ = 54868160.

The previous prime is 90650761. The next prime is 90650803. The reversal of 90650769 is 96705609.

It is a cyclic number.

It is not a de Polignac number, because 90650769 - 2³ = 90650761 is a prime.

It is a super-2 number, since 2×90650769² = 16435123840582722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90650769.

It is not an unprimeable number, because it can be changed into a prime (90650761) 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, 35359 + ... + 37835.

It is an arithmetic number, because the mean of its divisors is an integer number (8251740).

Almost surely, 2^90650769 is an apocalyptic number.

It is an amenable number.

90650769 is a deficient number, since it is larger than the sum of its proper divisors (41377071).

90650769 is a wasteful number, since it uses less digits than its factorization.

90650769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 90650769 is about 9521.0697403180. The cubic root of 90650769 is about 449.2180147356.

It can be divided in two parts, 90650 and 769, that added together give a palindrome (91419).

The spelling of 90650769 in words is "ninety million, six hundred fifty thousand, seven hundred sixty-nine".