828290239 has 4 divisors (see below), whose sum is σ = 946617424. Its totient is φ = 709963056.

The previous prime is 828290231. The next prime is 828290263. The reversal of 828290239 is 932092828.

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

It is a cyclic number.

It is not a de Polignac number, because 828290239 - 2³ = 828290231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 828290195 and 828290204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828290231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59163582 + ... + 59163595.

It is an arithmetic number, because the mean of its divisors is an integer number (236654356).

Almost surely, 2^828290239 is an apocalyptic number.

828290239 is a deficient number, since it is larger than the sum of its proper divisors (118327185).

828290239 is a wasteful number, since it uses less digits than its factorization.

828290239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118327184.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 828290239 is about 28780.0319492526. The cubic root of 828290239 is about 939.1338932595.

The spelling of 828290239 in words is "eight hundred twenty-eight million, two hundred ninety thousand, two hundred thirty-nine".