840896 has 28 divisors (see below), whose sum is σ = 1908048. Its totient is φ = 360192.

The previous prime is 840863. The next prime is 840907. The reversal of 840896 is 698048.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491 + ... + 1386.

2⁸⁴⁰⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

840896 is an abundant number, since it is smaller than the sum of its proper divisors (1067152).

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

840896 is a wasteful number, since it uses less digits than its factorization.

840896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 840896 is about 917.0038167859. The cubic root of 840896 is about 94.3874157313.

It can be divided in two parts, 8 and 40896, that added together give a palindrome (40904).

The spelling of 840896 in words is "eight hundred forty thousand, eight hundred ninety-six".