840752 has 40 divisors (see below), whose sum is σ = 1888272. Its totient is φ = 358400.

The previous prime is 840743. The next prime is 840757. The reversal of 840752 is 257048.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 840752.

It is not an unprimeable number, because it can be changed into a prime (840757) 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, 2852 + ... + 3132.

2⁸⁴⁰⁷⁵² 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 840752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944136).

840752 is an abundant number, since it is smaller than the sum of its proper divisors (1047520).

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

840752 is a wasteful number, since it uses less digits than its factorization.

840752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 840752 is about 916.9252968481. The cubic root of 840752 is about 94.3820276041.

The spelling of 840752 in words is "eight hundred forty thousand, seven hundred fifty-two".