843347494 has 12 divisors (see below), whose sum is σ = 1390478292. Its totient is φ = 383339660.

The previous prime is 843347459. The next prime is 843347507. The reversal of 843347494 is 494743348.

It is a super-2 number, since 2×843347494² = 1422469991272160072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1742212 + ... + 1742695.

It is an arithmetic number, because the mean of its divisors is an integer number (115873191).

Almost surely, 2^843347494 is an apocalyptic number.

843347494 is a deficient number, since it is larger than the sum of its proper divisors (547130798).

843347494 is a wasteful number, since it uses less digits than its factorization.

843347494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484931 (or 3484920 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The square root of 843347494 is about 29040.4458299111. The cubic root of 843347494 is about 944.7905040304.

It can be divided in two parts, 84 and 3347494, that added together give a triangular number (3347578 = T₂₅₈₇).

The spelling of 843347494 in words is "eight hundred forty-three million, three hundred forty-seven thousand, four hundred ninety-four".