498631697 has 6 divisors (see below), whose sum is σ = 521254482. Its totient is φ = 476951552.

The previous prime is 498631681. The next prime is 498631717. The reversal of 498631697 is 796136894.

It can be written as a sum of positive squares in only one way, i.e., 287336401 + 211295296 = 16951^2 + 14536^2 .

It is not a de Polignac number, because 498631697 - 2⁴ = 498631681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498633697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 470768 + ... + 471825.

It is an arithmetic number, because the mean of its divisors is an integer number (86875747).

Almost surely, 2^498631697 is an apocalyptic number.

It is an amenable number.

498631697 is a deficient number, since it is larger than the sum of its proper divisors (22622785).

498631697 is an equidigital number, since it uses as much as digits as its factorization.

498631697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942639 (or 942616 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 498631697 is about 22330.0626286627. The cubic root of 498631697 is about 792.9758493228.

The spelling of 498631697 in words is "four hundred ninety-eight million, six hundred thirty-one thousand, six hundred ninety-seven".