97805441 has 4 divisors (see below), whose sum is σ = 98169300. Its totient is φ = 97441584.

The previous prime is 97805431. The next prime is 97805479. The reversal of 97805441 is 14450879.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20295025 + 77510416 = 4505^2 + 8804^2 .

It is a cyclic number.

It is not a de Polignac number, because 97805441 - 2²² = 93611137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97805395 and 97805404.

It is not an unprimeable number, because it can be changed into a prime (97805431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181526 + ... + 182063.

It is an arithmetic number, because the mean of its divisors is an integer number (24542325).

Almost surely, 2^97805441 is an apocalyptic number.

It is an amenable number.

97805441 is a deficient number, since it is larger than the sum of its proper divisors (363859).

97805441 is a wasteful number, since it uses less digits than its factorization.

97805441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363858.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 97805441 is about 9889.6633410850. The cubic root of 97805441 is about 460.7383243981.

The spelling of 97805441 in words is "ninety-seven million, eight hundred five thousand, four hundred forty-one".