893869 has 4 divisors (see below), whose sum is σ = 897820. Its totient is φ = 889920.

The previous prime is 893863. The next prime is 893873. The reversal of 893869 is 968398.

893869 is nontrivially palindromic in base 16.

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

It can be written as a sum of positive squares in 2 ways, for example, as 455625 + 438244 = 675^2 + 662^2 .

It is a cyclic number.

It is not a de Polignac number, because 893869 - 2¹⁹ = 369581 is a prime.

It is a super-2 number, since 2×893869² = 1598003578322, which contains 22 as substring.

It is a Duffinian number.

893869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893863) 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, 1614 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (224455).

2⁸⁹³⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

893869 is a deficient number, since it is larger than the sum of its proper divisors (3951).

893869 is a wasteful number, since it uses less digits than its factorization.

893869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950.

The product of its digits is 93312, while the sum is 43.

The square root of 893869 is about 945.4464553850. The cubic root of 893869 is about 96.3292011281.

Subtracting 893869 from its reverse (968398), we obtain a square (74529 = 273²).

The spelling of 893869 in words is "eight hundred ninety-three thousand, eight hundred sixty-nine".