494640384 has 72 divisors (see below), whose sum is σ = 1504547520. Its totient is φ = 141324288.

The previous prime is 494640353. The next prime is 494640397. The reversal of 494640384 is 483046494.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40629 + ... + 51380.

Almost surely, 2^494640384 is an apocalyptic number.

It is an amenable number.

494640384 is an abundant number, since it is smaller than the sum of its proper divisors (1009907136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494640384 is an equidigital number, since it uses as much as digits as its factorization.

494640384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92035 (or 92021 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 494640384 is about 22240.5122243171. The cubic root of 494640384 is about 790.8543787661.

The spelling of 494640384 in words is "four hundred ninety-four million, six hundred forty thousand, three hundred eighty-four".