853149 has 16 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 510000.

The previous prime is 853133. The next prime is 853159. The reversal of 853149 is 941358.

It is not a de Polignac number, because 853149 - 2⁴ = 853133 is a prime.

853149 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 853149.

It is not an unprimeable number, because it can be changed into a prime (853159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3274 + ... + 3524.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

2⁸⁵³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

853149 is a deficient number, since it is larger than the sum of its proper divisors (404835).

853149 is a wasteful number, since it uses less digits than its factorization.

853149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its digits is 4320, while the sum is 30.

The square root of 853149 is about 923.6606519713. The cubic root of 853149 is about 94.8436578987.

Subtracting 853149 from its reverse (941358), we obtain a square (88209 = 297²).

The spelling of 853149 in words is "eight hundred fifty-three thousand, one hundred forty-nine".