494787456 has 48 divisors (see below), whose sum is σ = 1423805760. Its totient is φ = 164928768.

The previous prime is 494787443. The next prime is 494787457. The reversal of 494787456 is 654787494.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×494787456² = 489629253229903872, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494787457) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 213600 + ... + 215903.

It is an arithmetic number, because the mean of its divisors is an integer number (29662620).

Almost surely, 2^494787456 is an apocalyptic number.

It is an amenable number.

494787456 is an abundant number, since it is smaller than the sum of its proper divisors (929018304).

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

494787456 is a wasteful number, since it uses less digits than its factorization.

494787456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429523 (or 429508 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 494787456 is about 22243.8183772481. The cubic root of 494787456 is about 790.9327528827.

The spelling of 494787456 in words is "four hundred ninety-four million, seven hundred eighty-seven thousand, four hundred fifty-six".