824345349 has 4 divisors (see below), whose sum is σ = 1099127136. Its totient is φ = 549563564.

The previous prime is 824345339. The next prime is 824345383. The reversal of 824345349 is 943543428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 824345349 - 2¹² = 824341253 is a prime.

It is a super-3 number, since 3×824345349³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 824345349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (824345339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137390889 + ... + 137390894.

It is an arithmetic number, because the mean of its divisors is an integer number (274781784).

Almost surely, 2^824345349 is an apocalyptic number.

It is an amenable number.

824345349 is a deficient number, since it is larger than the sum of its proper divisors (274781787).

824345349 is a wasteful number, since it uses less digits than its factorization.

824345349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274781786.

The product of its digits is 414720, while the sum is 42.

The square root of 824345349 is about 28711.4149599075. The cubic root of 824345349 is about 937.6405853526.

The spelling of 824345349 in words is "eight hundred twenty-four million, three hundred forty-five thousand, three hundred forty-nine".