490347645 has 8 divisors (see below), whose sum is σ = 784556256. Its totient is φ = 261518736.

The previous prime is 490347629. The next prime is 490347667. The reversal of 490347645 is 546743094.

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

It is not a de Polignac number, because 490347645 - 2⁴ = 490347629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490347597 and 490347606.

It is a congruent number.

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, 16344907 + ... + 16344936.

It is an arithmetic number, because the mean of its divisors is an integer number (98069532).

Almost surely, 2^490347645 is an apocalyptic number.

It is an amenable number.

490347645 is a deficient number, since it is larger than the sum of its proper divisors (294208611).

490347645 is a wasteful number, since it uses less digits than its factorization.

490347645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32689851.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 490347645 is about 22143.7947289980. The cubic root of 490347645 is about 788.5599172084.

The spelling of 490347645 in words is "four hundred ninety million, three hundred forty-seven thousand, six hundred forty-five".