856954 has 8 divisors (see below), whose sum is σ = 1469088. Its totient is φ = 367260.

The previous prime is 856949. The next prime is 856969. The reversal of 856954 is 459658.

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

It is a super-3 number, since 3×856954³ = 1887964333434415992, which contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30592 + ... + 30619.

It is an arithmetic number, because the mean of its divisors is an integer number (183636).

2⁸⁵⁶⁹⁵⁴ is an apocalyptic number.

856954 is a deficient number, since it is larger than the sum of its proper divisors (612134).

856954 is a wasteful number, since it uses less digits than its factorization.

856954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61220.

The product of its digits is 43200, while the sum is 37.

The square root of 856954 is about 925.7180996394. The cubic root of 856954 is about 94.9844480544.

The spelling of 856954 in words is "eight hundred fifty-six thousand, nine hundred fifty-four".