823471400 has 48 divisors (see below), whose sum is σ = 2015347200. Its totient is φ = 312050880.

The previous prime is 823471373. The next prime is 823471409. The reversal of 823471400 is 4174328.

It is not an unprimeable number, because it can be changed into a prime (823471409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104552 + ... + 112151.

It is an arithmetic number, because the mean of its divisors is an integer number (41986400).

Almost surely, 2^823471400 is an apocalyptic number.

It is an amenable number.

823471400 is an abundant number, since it is smaller than the sum of its proper divisors (1191875800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823471400 is a wasteful number, since it uses less digits than its factorization.

823471400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216738 (or 216729 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 823471400 is about 28696.1913849208. The cubic root of 823471400 is about 937.3091143213.

The spelling of 823471400 in words is "eight hundred twenty-three million, four hundred seventy-one thousand, four hundred".