823940308 has 12 divisors (see below), whose sum is σ = 1442281792. Its totient is φ = 411859800.

The previous prime is 823940287. The next prime is 823940371. The reversal of 823940308 is 803049328.

It is a super-2 number, since 2×823940308² = 1357755262294269728, 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 3 ways as a sum of consecutive naturals, for example, 9468 + ... + 41683.

Almost surely, 2^823940308 is an apocalyptic number.

It is an amenable number.

823940308 is a deficient number, since it is larger than the sum of its proper divisors (618341484).

823940308 is a wasteful number, since it uses less digits than its factorization.

823940308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55182 (or 55180 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 823940308 is about 28704.3604353067. The cubic root of 823940308 is about 937.4869907054.

The spelling of 823940308 in words is "eight hundred twenty-three million, nine hundred forty thousand, three hundred eight".