89798961 has 16 divisors (see below), whose sum is σ = 138881024. Its totient is φ = 50547024.

The previous prime is 89798957. The next prime is 89798977. The reversal of 89798961 is 16989798.

It is not a de Polignac number, because 89798961 - 2² = 89798957 is a prime.

It is a super-3 number, since 3×89798961³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89798911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30505 + ... + 33318.

It is an arithmetic number, because the mean of its divisors is an integer number (8680064).

Almost surely, 2^89798961 is an apocalyptic number.

It is an amenable number.

89798961 is a deficient number, since it is larger than the sum of its proper divisors (49082063).

89798961 is a wasteful number, since it uses less digits than its factorization.

89798961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63900.

The product of its digits is 1959552, while the sum is 57.

The square root of 89798961 is about 9476.2313711728. The cubic root of 89798961 is about 447.8065454741.

The spelling of 89798961 in words is "eighty-nine million, seven hundred ninety-eight thousand, nine hundred sixty-one".