828375393 has 4 divisors (see below), whose sum is σ = 1104500528. Its totient is φ = 552250260.

The previous prime is 828375391. The next prime is 828375463. The reversal of 828375393 is 393573828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 828375393 - 2¹ = 828375391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828375391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138062563 + ... + 138062568.

It is an arithmetic number, because the mean of its divisors is an integer number (276125132).

Almost surely, 2^828375393 is an apocalyptic number.

It is an amenable number.

828375393 is a deficient number, since it is larger than the sum of its proper divisors (276125135).

828375393 is a wasteful number, since it uses less digits than its factorization.

828375393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276125134.

The product of its digits is 1088640, while the sum is 48.

The square root of 828375393 is about 28781.5113050027. The cubic root of 828375393 is about 939.1660753230.

The spelling of 828375393 in words is "eight hundred twenty-eight million, three hundred seventy-five thousand, three hundred ninety-three".