498819081 has 8 divisors (see below), whose sum is σ = 666681120. Its totient is φ = 331751552.

The previous prime is 498819073. The next prime is 498819137. The reversal of 498819081 is 180918894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 498819081 - 2³ = 498819073 is a prime.

It is a super-2 number, since 2×498819081² = 497640951139369122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 498819081.

It is not an unprimeable number, because it can be changed into a prime (498814081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197160 + ... + 199673.

It is an arithmetic number, because the mean of its divisors is an integer number (83335140).

Almost surely, 2^498819081 is an apocalyptic number.

It is an amenable number.

498819081 is a deficient number, since it is larger than the sum of its proper divisors (167862039).

498819081 is a wasteful number, since it uses less digits than its factorization.

498819081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397255.

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 498819081 is about 22334.2580131958. The cubic root of 498819081 is about 793.0751693741.

The spelling of 498819081 in words is "four hundred ninety-eight million, eight hundred nineteen thousand, eighty-one".