98629281 has 6 divisors (see below), whose sum is σ = 142464530. Its totient is φ = 65752848.

The previous prime is 98629277. The next prime is 98629303. The reversal of 98629281 is 18292689.

It can be written as a sum of positive squares in only one way, i.e., 63345681 + 35283600 = 7959^2 + 5940^2 .

It is not a de Polignac number, because 98629281 - 2² = 98629277 is a prime.

It is a super-2 number, since 2×98629281² = 19455470141153922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98629211) 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, 5479396 + ... + 5479413.

Almost surely, 2^98629281 is an apocalyptic number.

It is an amenable number.

98629281 is a deficient number, since it is larger than the sum of its proper divisors (43835249).

98629281 is a wasteful number, since it uses less digits than its factorization.

98629281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10958815 (or 10958812 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 98629281 is about 9931.2275676273. The cubic root of 98629281 is about 462.0283476169.

The spelling of 98629281 in words is "ninety-eight million, six hundred twenty-nine thousand, two hundred eighty-one".