498681897 has 16 divisors (see below), whose sum is σ = 762381312. Its totient is φ = 284029200.

The previous prime is 498681881. The next prime is 498681899. The reversal of 498681897 is 798186894.

It is not a de Polignac number, because 498681897 - 2⁴ = 498681881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 498681897.

It is not an unprimeable number, because it can be changed into a prime (498681899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32229 + ... + 45122.

It is an arithmetic number, because the mean of its divisors is an integer number (47648832).

Almost surely, 2^498681897 is an apocalyptic number.

It is an amenable number.

498681897 is a deficient number, since it is larger than the sum of its proper divisors (263699415).

498681897 is a wasteful number, since it uses less digits than its factorization.

498681897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77668.

The product of its digits is 6967296, while the sum is 60.

The square root of 498681897 is about 22331.1866455860. The cubic root of 498681897 is about 793.0024595123.

The spelling of 498681897 in words is "four hundred ninety-eight million, six hundred eighty-one thousand, eight hundred ninety-seven".