849554940 has 192 divisors, whose sum is σ = 2750146560. Its totient is φ = 194088960.

The previous prime is 849554911. The next prime is 849554987. The reversal of 849554940 is 49455948.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 849554940.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1047135 + ... + 1047945.

It is an arithmetic number, because the mean of its divisors is an integer number (14323680).

Almost surely, 2^849554940 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 849554940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375073280).

849554940 is an abundant number, since it is smaller than the sum of its proper divisors (1900591620).

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

849554940 is a wasteful number, since it uses less digits than its factorization.

849554940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 849554940 is about 29147.1257588120. The cubic root of 849554940 is about 947.1028784389.

The spelling of 849554940 in words is "eight hundred forty-nine million, five hundred fifty-four thousand, nine hundred forty".