828463489 has 4 divisors (see below), whose sum is σ = 946815424. Its totient is φ = 710111556.

The previous prime is 828463483. The next prime is 828463543. The reversal of 828463489 is 984364828.

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 828463489 - 2²¹ = 826366337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828463483) 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, 59175957 + ... + 59175970.

It is an arithmetic number, because the mean of its divisors is an integer number (236703856).

Almost surely, 2^828463489 is an apocalyptic number.

It is an amenable number.

828463489 is a deficient number, since it is larger than the sum of its proper divisors (118351935).

828463489 is a wasteful number, since it uses less digits than its factorization.

828463489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118351934.

The product of its digits is 2654208, while the sum is 52.

The square root of 828463489 is about 28783.0416912459. The cubic root of 828463489 is about 939.1993669291.

The spelling of 828463489 in words is "eight hundred twenty-eight million, four hundred sixty-three thousand, four hundred eighty-nine".