490000873 has 2 divisors, whose sum is σ = 490000874. Its totient is φ = 490000872.

The previous prime is 490000859. The next prime is 490000909. The reversal of 490000873 is 378000094.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488719449 + 1281424 = 22107^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 490000873 - 2²¹ = 487903721 is a prime.

It is not a weakly prime, because it can be changed into another prime (490000813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245000436 + 245000437.

It is an arithmetic number, because the mean of its divisors is an integer number (245000437).

Almost surely, 2^490000873 is an apocalyptic number.

It is an amenable number.

490000873 is a deficient number, since it is larger than the sum of its proper divisors (1).

490000873 is an equidigital number, since it uses as much as digits as its factorization.

490000873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 490000873 is about 22135.9633402299. The cubic root of 490000873 is about 788.3739845076.

The spelling of 490000873 in words is "four hundred ninety million, eight hundred seventy-three", and thus it is an aban number.