852440 has 32 divisors (see below), whose sum is σ = 1946160. Its totient is φ = 336000.

The previous prime is 852437. The next prime is 852457. The reversal of 852440 is 44258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3935 + ... + 4145.

2⁸⁵²⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

852440 is an abundant number, since it is smaller than the sum of its proper divisors (1093720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

852440 is a wasteful number, since it uses less digits than its factorization.

852440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 852440 is about 923.2767732376. The cubic root of 852440 is about 94.8173776946.

Adding to 852440 its reverse (44258), we get a palindrome (896698).

The spelling of 852440 in words is "eight hundred fifty-two thousand, four hundred forty".