98018497 has 4 divisors (see below), whose sum is σ = 101180416. Its totient is φ = 94856580.

The previous prime is 98018467. The next prime is 98018507. The reversal of 98018497 is 79481089.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79481089 = 47 ⋅1691087.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98018497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98018407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580913 + ... + 1580974.

It is an arithmetic number, because the mean of its divisors is an integer number (25295104).

Almost surely, 2^98018497 is an apocalyptic number.

It is an amenable number.

98018497 is a deficient number, since it is larger than the sum of its proper divisors (3161919).

98018497 is a wasteful number, since it uses less digits than its factorization.

98018497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161918.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 98018497 is about 9900.4291321134. The cubic root of 98018497 is about 461.0726339253.

The spelling of 98018497 in words is "ninety-eight million, eighteen thousand, four hundred ninety-seven".