90605194 has 8 divisors (see below), whose sum is σ = 136019520. Its totient is φ = 45265356.

The previous prime is 90605183. The next prime is 90605197. The reversal of 90605194 is 49150609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90605197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15474 + ... + 20509.

It is an arithmetic number, because the mean of its divisors is an integer number (17002440).

Almost surely, 2^90605194 is an apocalyptic number.

90605194 is a deficient number, since it is larger than the sum of its proper divisors (45414326).

90605194 is a wasteful number, since it uses less digits than its factorization.

90605194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37244.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 90605194 is about 9518.6760634029. The cubic root of 90605194 is about 449.1427201254.

It can be divided in two parts, 90 and 605194, that added together give a square (605284 = 778²).

The spelling of 90605194 in words is "ninety million, six hundred five thousand, one hundred ninety-four".