490233505 has 8 divisors (see below), whose sum is σ = 622885032. Its totient is φ = 369116928.

The previous prime is 490233503. The next prime is 490233509. The reversal of 490233505 is 505332094.

It can be written as a sum of positive squares in 4 ways, for example, as 158155776 + 332077729 = 12576^2 + 18223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490233505 - 2¹ = 490233503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490233503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883642 + ... + 2883811.

It is an arithmetic number, because the mean of its divisors is an integer number (77860629).

Almost surely, 2^490233505 is an apocalyptic number.

It is an amenable number.

490233505 is a deficient number, since it is larger than the sum of its proper divisors (132651527).

490233505 is a wasteful number, since it uses less digits than its factorization.

490233505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767475.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 490233505 is about 22141.2173332904. The cubic root of 490233505 is about 788.4987271430.

Adding to 490233505 its reverse (505332094), we get a palindrome (995565599).

The spelling of 490233505 in words is "four hundred ninety million, two hundred thirty-three thousand, five hundred five".