853846417 has 2 divisors, whose sum is σ = 853846418. Its totient is φ = 853846416.

The previous prime is 853846393. The next prime is 853846429. The reversal of 853846417 is 714648358.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736362496 + 117483921 = 27136^2 + 10839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853846417 is a prime.

It is a super-3 number, since 3×853846417³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (853846717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426923208 + 426923209.

It is an arithmetic number, because the mean of its divisors is an integer number (426923209).

Almost surely, 2^853846417 is an apocalyptic number.

It is an amenable number.

853846417 is a deficient number, since it is larger than the sum of its proper divisors (1).

853846417 is an equidigital number, since it uses as much as digits as its factorization.

853846417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 46.

The square root of 853846417 is about 29220.6505232173. The cubic root of 853846417 is about 948.6949455944.

The spelling of 853846417 in words is "eight hundred fifty-three million, eight hundred forty-six thousand, four hundred seventeen".