498704256 has 128 divisors (see below), whose sum is σ = 1486058400. Its totient is φ = 164634624.

The previous prime is 498704243. The next prime is 498704303. The reversal of 498704256 is 652407894.

It is a happy number.

498704256 is a `hidden beast` number, since 498 + 70 + 42 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389890 + ... + 391166.

Almost surely, 2^498704256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498704256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743029200).

498704256 is an abundant number, since it is smaller than the sum of its proper divisors (987354144).

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

498704256 is a wasteful number, since it uses less digits than its factorization.

498704256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 498704256 is about 22331.6872627216. The cubic root of 498704256 is about 793.0143110735.

The spelling of 498704256 in words is "four hundred ninety-eight million, seven hundred four thousand, two hundred fifty-six".