854945 has 16 divisors (see below), whose sum is σ = 1263360. Its totient is φ = 540864.

The previous prime is 854929. The next prime is 854951. The reversal of 854945 is 549458.

It is a cyclic number.

It is not a de Polignac number, because 854945 - 2⁴ = 854929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (78960).

2⁸⁵⁴⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

854945 is a deficient number, since it is larger than the sum of its proper divisors (408415).

854945 is a wasteful number, since it uses less digits than its factorization.

854945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its digits is 28800, while the sum is 35.

The square root of 854945 is about 924.6323593732. The cubic root of 854945 is about 94.9101643823.

The spelling of 854945 in words is "eight hundred fifty-four thousand, nine hundred forty-five".