498907656 has 192 divisors, whose sum is σ = 1512529200. Its totient is φ = 147603456.

The previous prime is 498907649. The next prime is 498907691. The reversal of 498907656 is 656709894.

498907656 is a `hidden beast` number, since 498 + 90 + 7 + 65 + 6 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 22184100 + 476723556 = 4710^2 + 21834^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4415056 + ... + 4415168.

Almost surely, 2^498907656 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 498907656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756264600).

498907656 is an abundant number, since it is smaller than the sum of its proper divisors (1013621544).

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

498907656 is a wasteful number, since it uses less digits than its factorization.

498907656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 498907656 is about 22336.2408654635. The cubic root of 498907656 is about 793.1221085539.

The spelling of 498907656 in words is "four hundred ninety-eight million, nine hundred seven thousand, six hundred fifty-six".