855417349 has 4 divisors (see below), whose sum is σ = 855951264. Its totient is φ = 854883436.

The previous prime is 855417347. The next prime is 855417371. The reversal of 855417349 is 943714558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 855417349 - 2¹ = 855417347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855417299 and 855417308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855417347) 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, 264547 + ... + 267760.

It is an arithmetic number, because the mean of its divisors is an integer number (213987816).

Almost surely, 2^855417349 is an apocalyptic number.

It is an amenable number.

855417349 is a deficient number, since it is larger than the sum of its proper divisors (533915).

855417349 is a wasteful number, since it uses less digits than its factorization.

855417349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533914.

The product of its digits is 604800, while the sum is 46.

The square root of 855417349 is about 29247.5186810779. The cubic root of 855417349 is about 949.2764015268.

The spelling of 855417349 in words is "eight hundred fifty-five million, four hundred seventeen thousand, three hundred forty-nine".