90050219 has 8 divisors (see below), whose sum is σ = 103369728. Its totient is φ = 76844520.

The previous prime is 90050203. The next prime is 90050231. The reversal of 90050219 is 91205009.

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 90050219 - 2⁴ = 90050203 is a prime.

It is a super-2 number, since 2×90050219² = 16218083883895922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90050419) 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, 26747 + ... + 29924.

It is an arithmetic number, because the mean of its divisors is an integer number (12921216).

Almost surely, 2^90050219 is an apocalyptic number.

90050219 is a deficient number, since it is larger than the sum of its proper divisors (13319509).

90050219 is a wasteful number, since it uses less digits than its factorization.

90050219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56905.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 90050219 is about 9489.4793850875. The cubic root of 90050219 is about 448.2238116258.

The spelling of 90050219 in words is "ninety million, fifty thousand, two hundred nineteen".