906487 has 2 divisors, whose sum is σ = 906488. Its totient is φ = 906486.

The previous prime is 906481. The next prime is 906497. The reversal of 906487 is 784609.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906487 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453243 + 453244.

It is an arithmetic number, because the mean of its divisors is an integer number (453244).

2⁹⁰⁶⁴⁸⁷ is an apocalyptic number.

906487 is a deficient number, since it is larger than the sum of its proper divisors (1).

906487 is an equidigital number, since it uses as much as digits as its factorization.

906487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 906487 is about 952.0961085941. The cubic root of 906487 is about 96.7803511219.

The spelling of 906487 in words is "nine hundred six thousand, four hundred eighty-seven".