828406 has 4 divisors (see below), whose sum is σ = 1242612. Its totient is φ = 414202.

The previous prime is 828397. The next prime is 828407. The reversal of 828406 is 604828.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207100 + ... + 207103.

It is an arithmetic number, because the mean of its divisors is an integer number (310653).

2⁸²⁸⁴⁰⁶ is an apocalyptic number.

828406 is a deficient number, since it is larger than the sum of its proper divisors (414206).

828406 is a wasteful number, since it uses less digits than its factorization.

828406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414205.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 828406 is about 910.1681163390. The cubic root of 828406 is about 93.9177642020.

The spelling of 828406 in words is "eight hundred twenty-eight thousand, four hundred six".