851994048 has 56 divisors (see below), whose sum is σ = 2372888320. Its totient is φ = 269049600.

The previous prime is 851994047. The next prime is 851994053. The reversal of 851994048 is 840499158.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 851993988 and 851994006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851994047) 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, 113128 + ... + 120423.

Almost surely, 2^851994048 is an apocalyptic number.

It is an amenable number.

851994048 is an abundant number, since it is smaller than the sum of its proper divisors (1520894272).

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

851994048 is a wasteful number, since it uses less digits than its factorization.

851994048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233585 (or 233575 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 851994048 is about 29188.9370823948. The cubic root of 851994048 is about 948.0084031372.

The spelling of 851994048 in words is "eight hundred fifty-one million, nine hundred ninety-four thousand, forty-eight".