899947892 has 24 divisors (see below), whose sum is σ = 1618918560. Its totient is φ = 437421600.

The previous prime is 899947891. The next prime is 899947913. The reversal of 899947892 is 298749998.

899947892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899947891) 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, 231767 + ... + 235617.

It is an arithmetic number, because the mean of its divisors is an integer number (67454940).

Almost surely, 2^899947892 is an apocalyptic number.

It is an amenable number.

899947892 is a deficient number, since it is larger than the sum of its proper divisors (718970668).

899947892 is a wasteful number, since it uses less digits than its factorization.

899947892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471 (or 5469 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 65.

The square root of 899947892 is about 29999.1315207624. The cubic root of 899947892 is about 965.4707510161.

The spelling of 899947892 in words is "eight hundred ninety-nine million, nine hundred forty-seven thousand, eight hundred ninety-two".