946858 has 16 divisors (see below), whose sum is σ = 1564416. Its totient is φ = 426240.

The previous prime is 946853. The next prime is 946859. The reversal of 946858 is 858649.

It is a d-powerful number, because it can be written as 9⁶ + 4⁷ + 8⁴ + 6³ + 5⁸ + 8⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 946858.

It is not an unprimeable number, because it can be changed into a prime (946853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4135 + ... + 4357.

It is an arithmetic number, because the mean of its divisors is an integer number (97776).

2⁹⁴⁶⁸⁵⁸ is an apocalyptic number.

946858 is a deficient number, since it is larger than the sum of its proper divisors (617558).

946858 is a wasteful number, since it uses less digits than its factorization.

946858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its digits is 69120, while the sum is 40.

The square root of 946858 is about 973.0662875673. The cubic root of 946858 is about 98.1962608653.

Subtracting from 946858 its reverse (858649), we obtain a square (88209 = 297²).

The spelling of 946858 in words is "nine hundred forty-six thousand, eight hundred fifty-eight".