90928043 has 2 divisors, whose sum is σ = 90928044. Its totient is φ = 90928042.

The previous prime is 90928031. The next prime is 90928069. The reversal of 90928043 is 34082909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90928043 - 2⁶ = 90927979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90927994 and 90928012.

It is not a weakly prime, because it can be changed into another prime (90928093) 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 as a sum of consecutive naturals, namely, 45464021 + 45464022.

It is an arithmetic number, because the mean of its divisors is an integer number (45464022).

Almost surely, 2^90928043 is an apocalyptic number.

90928043 is a deficient number, since it is larger than the sum of its proper divisors (1).

90928043 is an equidigital number, since it uses as much as digits as its factorization.

90928043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 90928043 is about 9535.6196966951. The cubic root of 90928043 is about 449.6755570845.

The spelling of 90928043 in words is "ninety million, nine hundred twenty-eight thousand, forty-three".