90006047 has 2 divisors, whose sum is σ = 90006048. Its totient is φ = 90006046.

The previous prime is 90006023. The next prime is 90006071. The reversal of 90006047 is 74060009.

It is a balanced prime because it is at equal distance from previous prime (90006023) and next prime (90006071).

It is a cyclic number.

It is not a de Polignac number, because 90006047 - 2¹⁰ = 90005023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90006017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45003023 + 45003024.

It is an arithmetic number, because the mean of its divisors is an integer number (45003024).

Almost surely, 2^90006047 is an apocalyptic number.

90006047 is a deficient number, since it is larger than the sum of its proper divisors (1).

90006047 is an equidigital number, since it uses as much as digits as its factorization.

90006047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 90006047 is about 9487.1516800355. The cubic root of 90006047 is about 448.1505111178.

The spelling of 90006047 in words is "ninety million, six thousand, forty-seven".