90350661 has 8 divisors (see below), whose sum is σ = 121660704. Its totient is φ = 59637200.

The previous prime is 90350657. The next prime is 90350669. The reversal of 90350661 is 16605309.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90350661 - 2² = 90350657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90350669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148791 + ... + 149396.

It is an arithmetic number, because the mean of its divisors is an integer number (15207588).

Almost surely, 2^90350661 is an apocalyptic number.

It is an amenable number.

90350661 is a deficient number, since it is larger than the sum of its proper divisors (31310043).

90350661 is a wasteful number, since it uses less digits than its factorization.

90350661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298291.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 90350661 is about 9505.2964709156. The cubic root of 90350661 is about 448.7217403443.

The spelling of 90350661 in words is "ninety million, three hundred fifty thousand, six hundred sixty-one".