828032399 has 2 divisors, whose sum is σ = 828032400. Its totient is φ = 828032398.

The previous prime is 828032393. The next prime is 828032437. The reversal of 828032399 is 993230828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 828032399 - 2⁴ = 828032383 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828032393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414016199 + 414016200.

It is an arithmetic number, because the mean of its divisors is an integer number (414016200).

Almost surely, 2^828032399 is an apocalyptic number.

828032399 is a deficient number, since it is larger than the sum of its proper divisors (1).

828032399 is an equidigital number, since it uses as much as digits as its factorization.

828032399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 828032399 is about 28775.5521059110. The cubic root of 828032399 is about 939.0364349042.

The spelling of 828032399 in words is "eight hundred twenty-eight million, thirty-two thousand, three hundred ninety-nine".