90635385 has 16 divisors (see below), whose sum is σ = 148936896. Its totient is φ = 47032128.

The previous prime is 90635383. The next prime is 90635393. The reversal of 90635385 is 58353609.

It is not a de Polignac number, because 90635385 - 2¹ = 90635383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90635383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81099 + ... + 82208.

It is an arithmetic number, because the mean of its divisors is an integer number (9308556).

Almost surely, 2^90635385 is an apocalyptic number.

It is an amenable number.

90635385 is a deficient number, since it is larger than the sum of its proper divisors (58301511).

90635385 is a wasteful number, since it uses less digits than its factorization.

90635385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163352.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 90635385 is about 9520.2618136268. The cubic root of 90635385 is about 449.1926015998.

The spelling of 90635385 in words is "ninety million, six hundred thirty-five thousand, three hundred eighty-five".