823806652 has 12 divisors (see below), whose sum is σ = 1443206800. Its totient is φ = 411461856.

The previous prime is 823806649. The next prime is 823806653. The reversal of 823806652 is 256608328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823806653) 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, 106152 + ... + 113647.

Almost surely, 2^823806652 is an apocalyptic number.

It is an amenable number.

823806652 is a deficient number, since it is larger than the sum of its proper divisors (619400148).

823806652 is a wasteful number, since it uses less digits than its factorization.

823806652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220740 (or 220738 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 823806652 is about 28702.0321928605. The cubic root of 823806652 is about 937.4362962818.

The spelling of 823806652 in words is "eight hundred twenty-three million, eight hundred six thousand, six hundred fifty-two".