90241634 has 12 divisors (see below), whose sum is σ = 157462614. Its totient is φ = 38674944.

The previous prime is 90241609. The next prime is 90241637. The reversal of 90241634 is 43614209.

It can be written as a sum of positive squares in only one way, i.e., 67650625 + 22591009 = 8225^2 + 4753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90241597 and 90241606.

It is not an unprimeable number, because it can be changed into a prime (90241637) 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 5 ways as a sum of consecutive naturals, for example, 460319 + ... + 460514.

Almost surely, 2^90241634 is an apocalyptic number.

90241634 is a deficient number, since it is larger than the sum of its proper divisors (67220980).

90241634 is a wasteful number, since it uses less digits than its factorization.

90241634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920849 (or 920842 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 90241634 is about 9499.5596740059. The cubic root of 90241634 is about 448.5411754343.

The spelling of 90241634 in words is "ninety million, two hundred forty-one thousand, six hundred thirty-four".