828349990 has 32 divisors (see below), whose sum is σ = 1700183520. Its totient is φ = 287860224.

The previous prime is 828349987. The next prime is 828349993. The reversal of 828349990 is 99943828.

It is an interprime number because it is at equal distance from previous prime (828349987) and next prime (828349993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828349993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185200 + ... + 189619.

It is an arithmetic number, because the mean of its divisors is an integer number (53130735).

Almost surely, 2^828349990 is an apocalyptic number.

828349990 is an abundant number, since it is smaller than the sum of its proper divisors (871833530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828349990 is a wasteful number, since it uses less digits than its factorization.

828349990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374856.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 828349990 is about 28781.0699940082. The cubic root of 828349990 is about 939.1564750541.

The spelling of 828349990 in words is "eight hundred twenty-eight million, three hundred forty-nine thousand, nine hundred ninety".