869477 has 8 divisors (see below), whose sum is σ = 999936. Its totient is φ = 740592.

The previous prime is 869471. The next prime is 869489. The reversal of 869477 is 774968.

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

It is a cyclic number.

It is not a de Polignac number, because 869477 - 2⁴ = 869461 is a prime.

It is a plaindrome in base 13.

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 869477.

It is not an unprimeable number, because it can be changed into a prime (869471) 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, 1283 + ... + 1839.

It is an arithmetic number, because the mean of its divisors is an integer number (124992).

2⁸⁶⁹⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

869477 is a deficient number, since it is larger than the sum of its proper divisors (130459).

869477 is a wasteful number, since it uses less digits than its factorization.

869477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its digits is 84672, while the sum is 41.

The square root of 869477 is about 932.4575057342. The cubic root of 869477 is about 95.4448938774. Note that the first 3 decimals are identical.

The spelling of 869477 in words is "eight hundred sixty-nine thousand, four hundred seventy-seven".