828631045 has 8 divisors (see below), whose sum is σ = 1084753440. Its totient is φ = 602640720.

The previous prime is 828631043. The next prime is 828631061. The reversal of 828631045 is 540136828.

It is a happy number.

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

It is not a de Polignac number, because 828631045 - 2¹ = 828631043 is a prime.

It is a super-3 number, since 3×828631045³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 828630995 and 828631013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828631043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7532955 + ... + 7533064.

It is an arithmetic number, because the mean of its divisors is an integer number (135594180).

Almost surely, 2^828631045 is an apocalyptic number.

It is an amenable number.

828631045 is a deficient number, since it is larger than the sum of its proper divisors (256122395).

828631045 is a wasteful number, since it uses less digits than its factorization.

828631045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066035.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 828631045 is about 28785.9522163155. The cubic root of 828631045 is about 939.2626800717.

The spelling of 828631045 in words is "eight hundred twenty-eight million, six hundred thirty-one thousand, forty-five".