840849048 has 96 divisors (see below), whose sum is σ = 2457655200. Its totient is φ = 258177024.

The previous prime is 840849017. The next prime is 840849089. The reversal of 840849048 is 840948048.

It is a junction number, because it is equal to n+sod(n) for n = 840848994 and 840849012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 869061 + ... + 870027.

It is an arithmetic number, because the mean of its divisors is an integer number (25600575).

Almost surely, 2^840849048 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 840849048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228827600).

840849048 is an abundant number, since it is smaller than the sum of its proper divisors (1616806152).

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

840849048 is a wasteful number, since it uses less digits than its factorization.

840849048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1914 counting only the distinct ones).

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

The square root of 840849048 is about 28997.3972625131. The cubic root of 840849048 is about 943.8565897007.

The spelling of 840849048 in words is "eight hundred forty million, eight hundred forty-nine thousand, forty-eight".