849282840 has 128 divisors (see below), whose sum is σ = 3235392000. Its totient is φ = 194120064.

The previous prime is 849282839. The next prime is 849282877. The reversal of 849282840 is 48282948.

It is a happy number.

849282840 is a `hidden beast` number, since 8 + 492 + 82 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48610 + ... + 63729.

It is an arithmetic number, because the mean of its divisors is an integer number (25276500).

Almost surely, 2^849282840 is an apocalyptic number.

It is an amenable number.

849282840 is an abundant number, since it is smaller than the sum of its proper divisors (2386109160).

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

849282840 is a wasteful number, since it uses less digits than its factorization.

849282840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112366 (or 112356 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 849282840 is about 29142.4576863380. The cubic root of 849282840 is about 947.0017532500.

The spelling of 849282840 in words is "eight hundred forty-nine million, two hundred eighty-two thousand, eight hundred forty".