843996346 has 16 divisors (see below), whose sum is σ = 1297140768. Its totient is φ = 411642000.

The previous prime is 843996319. The next prime is 843996347. The reversal of 843996346 is 643699348.

It is a super-2 number, since 2×843996346² = 1424659664122703432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 843996293 and 843996302.

It is not an unprimeable number, because it can be changed into a prime (843996347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63696 + ... + 75796.

It is an arithmetic number, because the mean of its divisors is an integer number (81071298).

Almost surely, 2^843996346 is an apocalyptic number.

843996346 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

843996346 is a deficient number, since it is larger than the sum of its proper divisors (453144422).

843996346 is a wasteful number, since it uses less digits than its factorization.

843996346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12957.

The product of its digits is 3359232, while the sum is 52.

The square root of 843996346 is about 29051.6152046663. The cubic root of 843996346 is about 945.0327418832.

The spelling of 843996346 in words is "eight hundred forty-three million, nine hundred ninety-six thousand, three hundred forty-six".