846423269 has 2 divisors, whose sum is σ = 846423270. Its totient is φ = 846423268.

The previous prime is 846423239. The next prime is 846423313. The reversal of 846423269 is 962324648.

It is an a-pointer prime, because the next prime (846423313) can be obtained adding 846423269 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833188225 + 13235044 = 28865^2 + 3638^2 .

It is a cyclic number.

It is not a de Polignac number, because 846423269 - 2¹² = 846419173 is a prime.

It is a super-2 number, since 2×846423269² = 1432864700609292722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846423209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423211634 + 423211635.

It is an arithmetic number, because the mean of its divisors is an integer number (423211635).

Almost surely, 2^846423269 is an apocalyptic number.

It is an amenable number.

846423269 is a deficient number, since it is larger than the sum of its proper divisors (1).

846423269 is an equidigital number, since it uses as much as digits as its factorization.

846423269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 44.

The square root of 846423269 is about 29093.3543786206. The cubic root of 846423269 is about 945.9376932147.

The spelling of 846423269 in words is "eight hundred forty-six million, four hundred twenty-three thousand, two hundred sixty-nine".