824793049 has 8 divisors (see below), whose sum is σ = 840824712. Its totient is φ = 808778880.

The previous prime is 824793043. The next prime is 824793061. The reversal of 824793049 is 940397428.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39000025 + 785793024 = 6245^2 + 28032^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 824793049 - 2⁷ = 824792921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (824793043) 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, 130527 + ... + 136699.

It is an arithmetic number, because the mean of its divisors is an integer number (105103089).

Almost surely, 2^824793049 is an apocalyptic number.

It is an amenable number.

824793049 is a deficient number, since it is larger than the sum of its proper divisors (16031663).

824793049 is a wasteful number, since it uses less digits than its factorization.

824793049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 824793049 is about 28719.2104522391. The cubic root of 824793049 is about 937.8102980907.

The spelling of 824793049 in words is "eight hundred twenty-four million, seven hundred ninety-three thousand, forty-nine".