840954 has 8 divisors (see below), whose sum is σ = 1681920. Its totient is φ = 280316.

The previous prime is 840943. The next prime is 840967. The reversal of 840954 is 459048.

It is a sphenic number, since it is the product of 3 distinct primes.

840954 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 840954.

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, 70074 + ... + 70085.

It is an arithmetic number, because the mean of its divisors is an integer number (210240).

2⁸⁴⁰⁹⁵⁴ is an apocalyptic number.

840954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

840954 is a wasteful number, since it uses less digits than its factorization.

840954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140164.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 840954 is about 917.0354409727. The cubic root of 840954 is about 94.3895857754.

The spelling of 840954 in words is "eight hundred forty thousand, nine hundred fifty-four".