98645451 has 4 divisors (see below), whose sum is σ = 131527272. Its totient is φ = 65763632.

The previous prime is 98645429. The next prime is 98645453. The reversal of 98645451 is 15454689.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98645451 - 2⁹ = 98644939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98645453) 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, 16440906 + ... + 16440911.

It is an arithmetic number, because the mean of its divisors is an integer number (32881818).

Almost surely, 2^98645451 is an apocalyptic number.

98645451 is a deficient number, since it is larger than the sum of its proper divisors (32881821).

98645451 is a wasteful number, since it uses less digits than its factorization.

98645451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32881820.

The product of its digits is 172800, while the sum is 42.

The square root of 98645451 is about 9932.0416330179. The cubic root of 98645451 is about 462.0535956638.

The spelling of 98645451 in words is "ninety-eight million, six hundred forty-five thousand, four hundred fifty-one".