490905485 has 16 divisors (see below), whose sum is σ = 676970112. Its totient is φ = 334756800.

The previous prime is 490905479. The next prime is 490905487. The reversal of 490905485 is 584509094.

490905485 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 490905485 - 2⁴ = 490905469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490905487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32411 + ... + 45080.

It is an arithmetic number, because the mean of its divisors is an integer number (42310632).

Almost surely, 2^490905485 is an apocalyptic number.

It is an amenable number.

490905485 is a deficient number, since it is larger than the sum of its proper divisors (186064627).

490905485 is a wasteful number, since it uses less digits than its factorization.

490905485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77684.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 490905485 is about 22156.3870023973. The cubic root of 490905485 is about 788.8588368026.

The spelling of 490905485 in words is "four hundred ninety million, nine hundred five thousand, four hundred eighty-five".