90650043 has 16 divisors (see below), whose sum is σ = 146505600. Its totient is φ = 54939240.

The previous prime is 90650033. The next prime is 90650059. The reversal of 90650043 is 34005609.

It is a happy number.

90650043 is a `hidden beast` number, since 9 + 0 + 650 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 90650043 - 2⁵ = 90650011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 90649989 and 90650016.

It is not an unprimeable number, because it can be changed into a prime (90650033) 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 15 ways as a sum of consecutive naturals, for example, 152313 + ... + 152906.

It is an arithmetic number, because the mean of its divisors is an integer number (9156600).

Almost surely, 2^90650043 is an apocalyptic number.

90650043 is a deficient number, since it is larger than the sum of its proper divisors (55855557).

90650043 is a wasteful number, since it uses less digits than its factorization.

90650043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305239 (or 305233 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 90650043 is about 9521.0316142737. The cubic root of 90650043 is about 449.2168155064.

The spelling of 90650043 in words is "ninety million, six hundred fifty thousand, forty-three".