98981897 has 8 divisors (see below), whose sum is σ = 113986752. Its totient is φ = 84193200.

The previous prime is 98981893. The next prime is 98981921. The reversal of 98981897 is 79818989.

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

It is not a de Polignac number, because 98981897 - 2² = 98981893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98981893) 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, 53054 + ... + 54887.

It is an arithmetic number, because the mean of its divisors is an integer number (14248344).

Almost surely, 2^98981897 is an apocalyptic number.

It is an amenable number.

98981897 is a deficient number, since it is larger than the sum of its proper divisors (15004855).

98981897 is a wasteful number, since it uses less digits than its factorization.

98981897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108079.

The product of its digits is 2612736, while the sum is 59.

The square root of 98981897 is about 9948.9646194968. The cubic root of 98981897 is about 462.5783020092.

The spelling of 98981897 in words is "ninety-eight million, nine hundred eighty-one thousand, eight hundred ninety-seven".