90523036 has 12 divisors (see below), whose sum is σ = 163878120. Its totient is φ = 43700720.

The previous prime is 90523003. The next prime is 90523061. The reversal of 90523036 is 63032509.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 90522995 and 90523013.

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 in 3 ways as a sum of consecutive naturals, for example, 390070 + ... + 390301.

It is an arithmetic number, because the mean of its divisors is an integer number (13656510).

Almost surely, 2^90523036 is an apocalyptic number.

It is an amenable number.

90523036 is a deficient number, since it is larger than the sum of its proper divisors (73355084).

90523036 is a wasteful number, since it uses less digits than its factorization.

90523036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780404 (or 780402 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 90523036 is about 9514.3594634636. The cubic root of 90523036 is about 449.0069228087.

The spelling of 90523036 in words is "ninety million, five hundred twenty-three thousand, thirty-six".