853946 has 4 divisors (see below), whose sum is σ = 1280922. Its totient is φ = 426972.

The previous prime is 853933. The next prime is 853949. The reversal of 853946 is 649358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 24025 = 911^2 + 155^2 .

It is not an unprimeable number, because it can be changed into a prime (853949) 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 as a sum of consecutive naturals, namely, 213485 + ... + 213488.

2⁸⁵³⁹⁴⁶ is an apocalyptic number.

853946 is a deficient number, since it is larger than the sum of its proper divisors (426976).

853946 is a wasteful number, since it uses less digits than its factorization.

853946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426975.

The product of its digits is 25920, while the sum is 35.

The square root of 853946 is about 924.0919867632. The cubic root of 853946 is about 94.8731825848.

The spelling of 853946 in words is "eight hundred fifty-three thousand, nine hundred forty-six".