855626349 has 4 divisors (see below), whose sum is σ = 1140835136. Its totient is φ = 570417564.

The previous prime is 855626339. The next prime is 855626351. The reversal of 855626349 is 943626558.

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 not a de Polignac number, because 855626349 - 2²¹ = 853529197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855626298 and 855626307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855626309) 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, 142604389 + ... + 142604394.

It is an arithmetic number, because the mean of its divisors is an integer number (285208784).

Almost surely, 2^855626349 is an apocalyptic number.

It is an amenable number.

855626349 is a deficient number, since it is larger than the sum of its proper divisors (285208787).

855626349 is a wasteful number, since it uses less digits than its factorization.

855626349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285208786.

The product of its digits is 1555200, while the sum is 48.

The square root of 855626349 is about 29251.0914155353. The cubic root of 855626349 is about 949.3537059414.

The spelling of 855626349 in words is "eight hundred fifty-five million, six hundred twenty-six thousand, three hundred forty-nine".