90214328 has 8 divisors (see below), whose sum is σ = 169151880. Its totient is φ = 45107160.

The previous prime is 90214297. The next prime is 90214339. The reversal of 90214328 is 82341209.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 90214328.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5638388 + ... + 5638403.

It is an arithmetic number, because the mean of its divisors is an integer number (21143985).

Almost surely, 2^90214328 is an apocalyptic number.

It is an amenable number.

90214328 is a deficient number, since it is larger than the sum of its proper divisors (78937552).

90214328 is a wasteful number, since it uses less digits than its factorization.

90214328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11276797 (or 11276793 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 90214328 is about 9498.1223407577. The cubic root of 90214328 is about 448.4959298702.

The spelling of 90214328 in words is "ninety million, two hundred fourteen thousand, three hundred twenty-eight".