494280646 has 4 divisors (see below), whose sum is σ = 741420972. Its totient is φ = 247140322.

The previous prime is 494280617. The next prime is 494280653. The reversal of 494280646 is 646082494.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123570160 + ... + 123570163.

It is an arithmetic number, because the mean of its divisors is an integer number (185355243).

Almost surely, 2^494280646 is an apocalyptic number.

494280646 is a deficient number, since it is larger than the sum of its proper divisors (247140326).

494280646 is a wasteful number, since it uses less digits than its factorization.

494280646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247140325.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 494280646 is about 22232.4233047142. The cubic root of 494280646 is about 790.6626102414.

The spelling of 494280646 in words is "four hundred ninety-four million, two hundred eighty thousand, six hundred forty-six".