98367561 has 32 divisors (see below), whose sum is σ = 149299200. Its totient is φ = 63994320.

The previous prime is 98367553. The next prime is 98367583. The reversal of 98367561 is 16576389.

It is a happy number.

98367561 is a `hidden beast` number, since 9 + 83 + 6 + 7 + 561 = 666.

It is not a de Polignac number, because 98367561 - 2³ = 98367553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98367361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228016 + ... + 228446.

It is an arithmetic number, because the mean of its divisors is an integer number (4665600).

Almost surely, 2^98367561 is an apocalyptic number.

It is an amenable number.

98367561 is a deficient number, since it is larger than the sum of its proper divisors (50931639).

98367561 is a wasteful number, since it uses less digits than its factorization.

98367561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 620 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 98367561 is about 9918.0421959175. The cubic root of 98367561 is about 461.6193102790.

The spelling of 98367561 in words is "ninety-eight million, three hundred sixty-seven thousand, five hundred sixty-one".