498986697 has 12 divisors (see below), whose sum is σ = 731297840. Its totient is φ = 302415960.

The previous prime is 498986629. The next prime is 498986701. The reversal of 498986697 is 796689894.

It is not a de Polignac number, because 498986697 - 2¹⁵ = 498953929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498986617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686947 + ... + 687672.

Almost surely, 2^498986697 is an apocalyptic number.

It is an amenable number.

498986697 is a deficient number, since it is larger than the sum of its proper divisors (232311143).

498986697 is a wasteful number, since it uses less digits than its factorization.

498986697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374644 (or 1374633 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 66.

The square root of 498986697 is about 22338.0101396700. The cubic root of 498986697 is about 793.1639906227.

The spelling of 498986697 in words is "four hundred ninety-eight million, nine hundred eighty-six thousand, six hundred ninety-seven".