949856823 has 24 divisors (see below), whose sum is σ = 1388767536. Its totient is φ = 625536000.

The previous prime is 949856821. The next prime is 949856839. The reversal of 949856823 is 328658949.

It is not a de Polignac number, because 949856823 - 2¹ = 949856821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 949856823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949856821) 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 23 ways as a sum of consecutive naturals, for example, 523588 + ... + 525398.

It is an arithmetic number, because the mean of its divisors is an integer number (57865314).

Almost surely, 2^949856823 is an apocalyptic number.

949856823 is a deficient number, since it is larger than the sum of its proper divisors (438910713).

949856823 is a wasteful number, since it uses less digits than its factorization.

949856823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2492 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 949856823 is about 30819.7472896843. The cubic root of 949856823 is about 982.9981841148.

The spelling of 949856823 in words is "nine hundred forty-nine million, eight hundred fifty-six thousand, eight hundred twenty-three".