856324426 has 4 divisors (see below), whose sum is σ = 1284486642. Its totient is φ = 428162212.

The previous prime is 856324423. The next prime is 856324429. The reversal of 856324426 is 624423658.

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

It is an interprime number because it is at equal distance from previous prime (856324423) and next prime (856324429).

It can be written as a sum of positive squares in only one way, i.e., 830304225 + 26020201 = 28815^2 + 5101^2 .

It is not an unprimeable number, because it can be changed into a prime (856324423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214081105 + ... + 214081108.

Almost surely, 2^856324426 is an apocalyptic number.

856324426 is a deficient number, since it is larger than the sum of its proper divisors (428162216).

856324426 is a wasteful number, since it uses less digits than its factorization.

856324426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428162215.

The product of its digits is 276480, while the sum is 40.

The square root of 856324426 is about 29263.0214776260. The cubic root of 856324426 is about 949.6118177673.

The spelling of 856324426 in words is "eight hundred fifty-six million, three hundred twenty-four thousand, four hundred twenty-six".