853487 has 4 divisors (see below), whose sum is σ = 855336. Its totient is φ = 851640.

The previous prime is 853481. The next prime is 853493. The reversal of 853487 is 784358.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (853481) and next prime (853493).

It is a cyclic number.

It is not a de Polignac number, because 853487 - 2¹⁰ = 852463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (213834).

2⁸⁵³⁴⁸⁷ is an apocalyptic number.

853487 is a deficient number, since it is larger than the sum of its proper divisors (1849).

853487 is an equidigital number, since it uses as much as digits as its factorization.

853487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848.

The product of its digits is 26880, while the sum is 35.

The square root of 853487 is about 923.8436014824. The cubic root of 853487 is about 94.8561812774.

The spelling of 853487 in words is "eight hundred fifty-three thousand, four hundred eighty-seven".