869457 has 8 divisors (see below), whose sum is σ = 1196800. Its totient is φ = 560880.

The previous prime is 869443. The next prime is 869461. The reversal of 869457 is 754968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 869457 - 2¹¹ = 867409 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 869457.

It is not an unprimeable number, because it can be changed into a prime (869437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4582 + ... + 4767.

It is an arithmetic number, because the mean of its divisors is an integer number (149600).

2⁸⁶⁹⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

869457 is a deficient number, since it is larger than the sum of its proper divisors (327343).

869457 is a wasteful number, since it uses less digits than its factorization.

869457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383.

The product of its digits is 60480, while the sum is 39.

The square root of 869457 is about 932.4467813232. The cubic root of 869457 is about 95.4441620534. Note that the first 3 decimals are identical.

It can be divided in two parts, 869 and 457, that added together give a triangular number (1326 = T₅₁).

The spelling of 869457 in words is "eight hundred sixty-nine thousand, four hundred fifty-seven".