90248636 has 6 divisors (see below), whose sum is σ = 157935120. Its totient is φ = 45124316.

The previous prime is 90248593. The next prime is 90248647. The reversal of 90248636 is 63684209.

It is a self number, because there is not a number n which added to its sum of digits gives 90248636.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11281076 + ... + 11281083.

It is an arithmetic number, because the mean of its divisors is an integer number (26322520).

Almost surely, 2^90248636 is an apocalyptic number.

It is an amenable number.

90248636 is a deficient number, since it is larger than the sum of its proper divisors (67686484).

90248636 is a wasteful number, since it uses less digits than its factorization.

90248636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22562163 (or 22562161 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 90248636 is about 9499.9282102551. The cubic root of 90248636 is about 448.5527761554.

The spelling of 90248636 in words is "ninety million, two hundred forty-eight thousand, six hundred thirty-six".