843698949 has 8 divisors (see below), whose sum is σ = 1173842112. Its totient is φ = 538010880.

The previous prime is 843698939. The next prime is 843698951. The reversal of 843698949 is 949896348.

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

It is not a de Polignac number, because 843698949 - 2⁸ = 843698693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 843698892 and 843698901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843698929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6113692 + ... + 6113829.

It is an arithmetic number, because the mean of its divisors is an integer number (146730264).

Almost surely, 2^843698949 is an apocalyptic number.

It is an amenable number.

843698949 is a deficient number, since it is larger than the sum of its proper divisors (330143163).

843698949 is a wasteful number, since it uses less digits than its factorization.

843698949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227547.

The product of its digits is 13436928, while the sum is 60.

The square root of 843698949 is about 29046.4963291616. The cubic root of 843698949 is about 944.9217291910.

The spelling of 843698949 in words is "eight hundred forty-three million, six hundred ninety-eight thousand, nine hundred forty-nine".