490355945 has 8 divisors (see below), whose sum is σ = 589081344. Its totient is φ = 391848624.

The previous prime is 490355927. The next prime is 490355963. The reversal of 490355945 is 549553094.

It is an interprime number because it is at equal distance from previous prime (490355927) and next prime (490355963).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490355945 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490355896 and 490355905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49529 + ... + 58598.

It is an arithmetic number, because the mean of its divisors is an integer number (73635168).

Almost surely, 2^490355945 is an apocalyptic number.

It is an amenable number.

490355945 is a deficient number, since it is larger than the sum of its proper divisors (98725399).

490355945 is a wasteful number, since it uses less digits than its factorization.

490355945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109039.

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 490355945 is about 22143.9821396243. The cubic root of 490355945 is about 788.5643664398.

The spelling of 490355945 in words is "four hundred ninety million, three hundred fifty-five thousand, nine hundred forty-five".