498821976 has 80 divisors (see below), whose sum is σ = 1457953200. Its totient is φ = 159039936.

The previous prime is 498821971. The next prime is 498821989. The reversal of 498821976 is 679128894.

498821976 is a `hidden beast` number, since 498 + 82 + 1 + 9 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498821971) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1831 + ... + 31638.

It is an arithmetic number, because the mean of its divisors is an integer number (18224415).

Almost surely, 2^498821976 is an apocalyptic number.

498821976 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498821976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728976600).

498821976 is an abundant number, since it is smaller than the sum of its proper divisors (959131224).

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

498821976 is a wasteful number, since it uses less digits than its factorization.

498821976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33510 (or 33497 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 498821976 is about 22334.3228238512. The cubic root of 498821976 is about 793.0767036299.

The spelling of 498821976 in words is "four hundred ninety-eight million, eight hundred twenty-one thousand, nine hundred seventy-six".