90506936 has 24 divisors (see below), whose sum is σ = 183761280. Its totient is φ = 41771808.

The previous prime is 90506893. The next prime is 90506947. The reversal of 90506936 is 63960509.

It is a self number, because there is not a number n which added to its sum of digits gives 90506936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32120 + ... + 34823.

It is an arithmetic number, because the mean of its divisors is an integer number (7656720).

Almost surely, 2^90506936 is an apocalyptic number.

It is an amenable number.

90506936 is an abundant number, since it is smaller than the sum of its proper divisors (93254344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90506936 is a wasteful number, since it uses less digits than its factorization.

90506936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66975 (or 66958 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 90506936 is about 9513.5133363022. The cubic root of 90506936 is about 448.9803018129.

It can be divided in two parts, 90506 and 936, that multiplied together give a square (84713616 = 9204²).

The spelling of 90506936 in words is "ninety million, five hundred six thousand, nine hundred thirty-six".