806450626 has 8 divisors (see below), whose sum is σ = 1215817020. Its totient is φ = 401178288.

The previous prime is 806450569. The next prime is 806450629. The reversal of 806450626 is 626054608.

It can be written as a sum of positive squares in 2 ways, for example, as 611820225 + 194630401 = 24735^2 + 13951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×806450626² = 1300725224351583752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (806450629) 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, 1023021 + ... + 1023808.

Almost surely, 2^806450626 is an apocalyptic number.

806450626 is a deficient number, since it is larger than the sum of its proper divisors (409366394).

806450626 is a wasteful number, since it uses less digits than its factorization.

806450626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047028.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 806450626 is about 28398.0743361236. The cubic root of 806450626 is about 930.8061865158.

The spelling of 806450626 in words is "eight hundred six million, four hundred fifty thousand, six hundred twenty-six".