843374493 has 48 divisors (see below), whose sum is σ = 1339776256. Its totient is φ = 508083840.

The previous prime is 843374473. The next prime is 843374507. The reversal of 843374493 is 394473348.

It is not a de Polignac number, because 843374493 - 2⁸ = 843374237 is a prime.

It is a super-2 number, since 2×843374493² = 1422561070886014098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843374473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2124171 + ... + 2124567.

Almost surely, 2^843374493 is an apocalyptic number.

It is an amenable number.

843374493 is a deficient number, since it is larger than the sum of its proper divisors (496401763).

843374493 is a wasteful number, since it uses less digits than its factorization.

843374493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 751 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 843374493 is about 29040.9106778696. The cubic root of 843374493 is about 944.8005861245.

The spelling of 843374493 in words is "eight hundred forty-three million, three hundred seventy-four thousand, four hundred ninety-three".