90195436 has 24 divisors (see below), whose sum is σ = 161300160. Its totient is φ = 44120592.

The previous prime is 90195407. The next prime is 90195439. The reversal of 90195436 is 63459109.

It is a junction number, because it is equal to n+sod(n) for n = 90195395 and 90195404.

It is not an unprimeable number, because it can be changed into a prime (90195439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34255 + ... + 36793.

It is an arithmetic number, because the mean of its divisors is an integer number (6720840).

Almost surely, 2^90195436 is an apocalyptic number.

It is an amenable number.

90195436 is a deficient number, since it is larger than the sum of its proper divisors (71104724).

90195436 is a wasteful number, since it uses less digits than its factorization.

90195436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 90195436 is about 9497.1277763332. The cubic root of 90195436 is about 448.4646208132.

The spelling of 90195436 in words is "ninety million, one hundred ninety-five thousand, four hundred thirty-six".