90428283 has 12 divisors (see below), whose sum is σ = 142493208. Its totient is φ = 54804960.

The previous prime is 90428243. The next prime is 90428309. The reversal of 90428283 is 38282409.

It is a de Polignac number, because none of the positive numbers 2^k-90428283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90428213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456610 + ... + 456807.

It is an arithmetic number, because the mean of its divisors is an integer number (11874434).

Almost surely, 2^90428283 is an apocalyptic number.

90428283 is a deficient number, since it is larger than the sum of its proper divisors (52064925).

90428283 is a wasteful number, since it uses less digits than its factorization.

90428283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913434 (or 913431 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 90428283 is about 9509.3786863286. The cubic root of 90428283 is about 448.8502054038.

The spelling of 90428283 in words is "ninety million, four hundred twenty-eight thousand, two hundred eighty-three".