828465 has 16 divisors (see below), whose sum is σ = 1446336. Its totient is φ = 401600.

The previous prime is 828449. The next prime is 828517. The reversal of 828465 is 564828.

It is not a de Polignac number, because 828465 - 2⁴ = 828449 is a prime.

It is a super-3 number, since 3×828465³ = 1705861436650333875, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (90396).

2⁸²⁸⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

828465 is a deficient number, since it is larger than the sum of its proper divisors (617871).

828465 is a wasteful number, since it uses less digits than its factorization.

828465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040.

The product of its digits is 15360, while the sum is 33.

The square root of 828465 is about 910.2005273565. The cubic root of 828465 is about 93.9199937918.

The spelling of 828465 in words is "eight hundred twenty-eight thousand, four hundred sixty-five".