849454900 has 72 divisors (see below), whose sum is σ = 2125488960. Its totient is φ = 288637440.

The previous prime is 849454891. The next prime is 849454909. The reversal of 849454900 is 9454948.

It is an interprime number because it is at equal distance from previous prime (849454891) and next prime (849454909).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849454909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73731 + ... + 84469.

It is an arithmetic number, because the mean of its divisors is an integer number (29520680).

Almost surely, 2^849454900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849454900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062744480).

849454900 is an abundant number, since it is smaller than the sum of its proper divisors (1276034060).

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

849454900 is a wasteful number, since it uses less digits than its factorization.

849454900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10873 (or 10866 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 849454900 is about 29145.4095871031. The cubic root of 849454900 is about 947.0657013686.

The spelling of 849454900 in words is "eight hundred forty-nine million, four hundred fifty-four thousand, nine hundred".